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Direct Variation Word Problem

Authored by Barbara White

Mathematics

9th - 12th Grade

CCSS covered

Direct Variation Word Problem
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18 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The volume V of a gas kept at a constant - temperature varies inversely with the pressure p. If the pressure is 24 pounds per square inch, the volume is 15 cubic feet. What type of variation problem is this and which is the formula?

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The volume V of a gas kept at a constant - temperature varies inversely with the pressure p. If the pressure is 24 pounds per square inch, the volume is 15 cubic feet. What will the volume be when the pressure is 30 pounds per square inch?

k=360

V=12

V=18.75

V=24

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The amount of money spent at the gas station varies directly with the number of gallons purchased. When 11.5 gallons of gas were purchased the cost was $37.72. Write the equation?

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The amount of money spent at the gas station varies directly with the number of gallons purchased. When 11.5 gallons of gas were purchased the cost was $37.72. How much would 8 gallons of gas cost?

m=$22.60

m=$30

m=$54.22

m=$26.24

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The time to complete a project varies inversely with the number of employees. If 3 people can complete the project in 7 days, how long will it take 5 people? 

t=4.2 days

t=5 days

t=21 days

t=3 days

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

s =4.8 hours

t=4.8 hours

s=13.33 hours

t=13.33 hours

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The number of centimeters y in a linear measurement varies directly with the number of inches x in the measurement. Pablo's height is 152.4 centimeters or 60 inches. What is Maria's height in centimeters if she is 64 inches tall?

Maria is 162.56 cm

Maria is 160.30 cm

Maria is 145.6 cm

Maria 156.8 cm

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