5 bags cost $ 22.50. How much would Amelia spend on 3 bags?

Question

How many dollars would Amelia spend on 5 bags?

Answer 1

This is a proportion question because the cost is related to the number of bags.

 

 

Set a proportion.

 

Ratio of bag count = ratio of price

 

5 / 3 = 22.50 / x

 

 

x = the cost of 3 bags

 

 

Cross-multiply.

 

5x = 67.50

 

  x = 13.50