You are choosing between two plans at a discount warehouse. Plan A offers an annual membership fee of $120 and you pay 80% of the manufacturer's recommended list price. Plan B offers an annual membership fee of $40 and you pay 90% of the manufacturer's recommended list price. How many dollars of merchandise would you have to purchase in a year to pay the same amount under both plans? What will be the cost for each plan?

Question

Mohammad Bond

Mathematics

10 August, 23:11

You are choosing between two plans at a discount warehouse. Plan A offers an annual membership fee of $120 and you pay 80% of the manufacturer's recommended list price. Plan B offers an annual membership fee of $40 and you pay 90% of the manufacturer's recommended list price. How many dollars of merchandise would you have to purchase in a year to pay the same amount under both plans? What will be the cost for each plan?

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Answers (1)

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Kane Chavez · Answer 1

Let $A be the cost of $q of merchandise under plan A and similarly $B under plan B.

A=120+0.80q, B=40+0.90q

When A=B, 120+0.80q=40+0.90q, 80=0.10q, q=80/0.10=$800.

So you would need to buy $800 of merchandise.

A=B=120+640=40+720=$760 for each plan.