Question

A grocery store offers its customers A discount card that gives 15% off all purchases, p. The card costs $12 a year. What amount would a customer need to purchase each year to save money?

Answer 1

Answer:

• More than $80

Step-by-step explanation:

To save money, the customer needs to save the cost of the card first.

Solve it by ratios:

• 15% = 12
• 100% = x

Solve for x:

• 15x = 12*100
• x = 1200/15
• x = 80

Answer 2

Step-by-step explanation:

customer need to purchase each year to save money = 100/15 × $12

= 1200/15

= $80