1.6 Solve Problems Involving Proportional Relationships

Matthew paid $49.45 for five used video games of equal cost. The relationship between the number of video games and the total cost is proportional. What is the total cost for 11 used video games? 

Tags

CCSS.7.RP.A.3

Brooke bought 8 bottled teas for $13.52. Assume the relationship between the number of bottled teas and total cost, in dollars, is proportional. How much can Brooke expect to pay for 12 bottled teas?

Tags

CCSS.7.RP.A.3

The ratio of girls to boys in a school simplifies to 2:3. How many boys are there if there are 345 students in the school?

Explain how to determine the length of a woman's wrist if her forearm is 17 centimeters long.

Tags

CCSS.6.RP.A.3D