Solving Ratios Word Problems

How can we identify the unknown in a proportion? (Check all the right answers)

• using a variable, like x or y

• putting a box in the place of the unknown

• putting a question mark in place of the unknown

• putting the number 10 to hold the place

Tags

CCSS.7.RP.A.2C

Solve the proportion: If there are 10 students in one class, there would be _________ students in 5 classes.

• 5

• 50

• 10

• 55

Tags

CCSS.7.RP.A.2A

Solve the proportion, a car that drives 100km / hour, will travel _________ km in 3 hours.

• 3

• 100

• 150

• 300

Tags

CCSS.6.RP.A.3B

Allison can bake 4 cakes in one day.  How many days would it take to bake 24 cakes? Which of the following proportions can be used to solve this problem?

Tags

CCSS.7.RP.A.2C

• multiply on the diagonal

• multiply the numbers in the second fraction

• divide each number, one by one

• add on the diagonal

Tags

CCSS.7.RP.A.2B

Solve the following proportion (you can use a calculator if you need to). What is x equal to?

• 270

• 0.25

• 4

• 190

Tags

CCSS.7.RP.A.2C

In this question, what UNITS will be answer be in?

Shereen earns $150 in a 10 hour work day.

How much does she earn in 62 hours?

• dollars

• hours

• days

• years

Tags

CCSS.6.RP.A.3B

• m = 99

• m = 90

• m = 10

• m = 0.9

Tags

CCSS.7.RP.A.2C

• c = 4

• c = 8

• c = 14

• c = 10

Tags

Solving Proportions