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Donursing Calculations 9th Edition Pickar Test Bank
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Chapter 2โRatios, Percents, Simple Equations, and Ratio-Proportion
PROBLEM
Decimal
1.
Fraction
Percent
Ratio
0.05
2.
3.
45%
4.
1. Complete row 1 in the table above.
ANS:
, 5% , 1:20
PTS: 1
DIF: Application
REF: Ratios and Percents
2. Complete row 2 in the table above.
ANS:
0.125, 12.5%, 1:8
PTS: 1
DIF: Application
REF: Ratios and Percents
3. Complete row 3 in the table above.
ANS:
0.45,
, 9:20
PTS: 1
DIF: Application
REF: Ratios and Percents
4. Complete row 4 in the table above.
ANS:
0.3,
, 30%
PTS: 1
DIF: Application
REF: Ratios and Percents
Solve for X. Round answers to two decimal places.
5.
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ANS:
Rounded to two decimal places, X = 0.63
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
6.
ANS:
Rounded to two decimal places, X = 6.67
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
Compute the answers for the following word problems.
7. A class of students consists of 9 men and 51 women. Write a proper fraction to represent the part of
the total class that is women. Reduce the fraction. Change the fraction to a percent.
Reduced fraction: _____
ANS:
Percent: _____
There are 51 women in the class of 60 students.
PTS: 1
DIF: Application
REF: Ratios and Percents
8. A student received a score of 48 points on a test that was worth 60 points. Write a fraction to represent
the portion of the test the student had answered correctly. Reduce the fraction. Change the fraction to a
percent.
Reduced fraction: _____
Percent: _____
ANS:
PTS: 1
DIF: Application
REF: Ratios and Percents
9. In order to pass a chapter test, a student must answer 80% or more of the questions correctly. If a
chapter test has 25 questions, what is the smallest number of questions that the student must answer
correctly in order to pass the test?
ANS:
At least 80% of 25 questions must be answered correctly.
The student must answer at least 20 questions correctly.
PTS: 1
DIF: Application
REF: Ratios and Percents
10. In order to pass a unit test, a student must answer 80% or more of the questions correctly. If a unit test
has 75 questions, what is the largest number of questions that the student could answer incorrectly, but
still pass the unit test?
ANS:
At least 80% of 75 questions must be answered correctly.
At least 60 questions must be answered correctly.
The largest number of questions that the student could answer incorrectly, but still pass the test, is 15
questions.
PTS: 1
DIF: Application
REF: Ratios and Percents
11. Change the following ratio to a fraction. Reduce to lowest terms.
3:6
ANS:
3:6=
=
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
12. Change the following ratio to a fraction. Reduce to the lowest term.
5 : 35
ANS:
5 : 35 =
=
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
13. Change the following ratio to a decimal. Round to the hundredths place.
3:7
ANS:
3:7=
= 0.428 = 0.43
PTS: 1
DIF: Analysis
REF: Converting among Ratios, Percents, Fractions, and Decimals
14. Change the following ratio to a decimal. Reduce to the hundredths place.
0.26 : 0.92
ANS:
0.26 : 0.92 =
= 0.282 = 0.28
PTS: 1
DIF: Application
REF: Converting among Ratios, Percents, Fractions, and Decimals
15. Change the following ratio to a decimal. Round to the hundredths place.
1.4 : 2.8
ANS:
1.4 : 2.8 =
= 0.5
PTS: 1
DIF: Application
REF: Converting among Ratios, Percents, Fractions, and Decimals
16. Change the following ratio to a percent. Round to the hundredths place.
3:6
ANS:
3:6=
= 0.5 = 0.50 = 50%
PTS: 1
DIF: Application
REF: Converting among Ratios, Percents, Fractions, and Decimals
17. Change the following ratio to a percent. Round to the hundredths place.
0.7 : 2.8
ANS:
0.7 : 2.8 =
= 0.25 = 25 %
PTS: 1
DIF: Application
REF: Converting among Ratios, Percents, Fractions, and Decimals
18. Solve the following problem for X.
ANS:
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
19. Upon admission to the hospital, a child weighed 62 lb. One week later, upon discharge, the child
weighed
lb. How much weight did the child lose?
ANS:
X = 4.5 lb
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
20. A client is to receive 1,800 mL of fluid during a 24-hour period. The client is to receive
between 7 AM and 10 PM. Calculate how many mL the client will drink during that time.
ANS:
of the fluid
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
Determine what % one number is of another number.
21. 30 is what % of 100?
ANS:
PTS: 1
DIF: Comprehension
REF: Finding the Percentage of a Quantity
22. 5 is what % of 1,500?
ANS:
PTS: 1
DIF: Comprehension
REF: Finding the Percentage of a Quantity
23. 1 is what % of 100?
ANS:
0.01 = 1%
PTS: 1
DIF: Comprehension
REF: Finding the Percentage of a Quantity
24. Convert as indicated.
written as a ratio.
ANS:
3:4
PTS: 1
DIF: Comprehension
REF: Ratios
DIF: Comprehension
REF: Ratios
25. Convert as indicated.
written as a ratio.
ANS:
7:8
PTS: 1
26. Find the value of X in the following equation.
ANS:
750 = 500X
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
27. Convert the following % to a decimal.
66%
ANS:
66% =
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
28. Convert the following % to a decimal.
5.25%
ANS:
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
29. Convert the following decimal to a percent.
0.04
ANS:
0.04 100 = 4%
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
30. Convert the following decimal to a percent.
0.0016
Donursing Calculations 9th Edition Pickar Test Bank
Full Download: http://testbanklive.com/download/donursing-calculations-9th-edition-pickar-test-bank/
ANS:
0.0016
100 = 0.16%
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
31. Convert the following decimal to a percent.
0.99
ANS:
0.99 100 = 99%
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
32. Determine the percentage of a given number.
25% of 40
ANS:
0.25 40 = 10
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
33. Determine the percentage of a given number.
75% of 50
ANS:
0.75 50 = 37.5
PTS: 1
DIF: Comprehension
REF: Converting among Ratios, Percents, Fractions, and Decimals
34. Find the value of X in the following equation.
ANS:
24X = 12
X = -0.5
PTS: 1
DIF: Application
REF: Solving Simple Equations for X
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