Question

A party supply store buys balloons and fills them with helium. The total cost of the
balloon and the helium is $0.50. The balloons are then marked up by 80% and sold to
customers. How much does the customer pay for a filled balloon?

Answer 1

Answer:

$0.90

Step-by-step explanation:

0.50*0.80 = 0.40

0.40+0.50 = 0.90