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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?

Respuesta :

ferrybukantoro

Step-by-step explanation:

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

= 1200/15

= $80

mhanifa

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

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