A three-pack

A three-pack of bar soap has a wholesale cost of $1.15. A pharmacy wants to sell this product with a markup of 60%. What are the amounts of the markup and the retail price of a pack of soap?

A. markup: $0.69; retail price: $1.84
B. markup: $0.69; retail price: $2.84
C. markup: $1.69; retail price: $2.84
D. markup: $1.15; retail price: $2.30

Correct answer:

m =  0.69 USD
r =  1.84 USD

Step-by-step explanation:

a=1.15 USD k=100%+60%=1+10060=1.6 r=k a=1.6 1.15=2546=1.84 USD  m=ra=1.841.15=0.69 USD

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