Question

Cost to store: $15
Markup: 18%
selling (retail) price: ?
Explain.

Answer 1

the formula is %× cost price ÷ 100
 to find what is the 18% of the cost price
so substitute
18·15÷100
270/100
2.7= 18% of cost price
then subtract it from the cost price
15-2.7= $12.3
there is your answer