Question

A retailer bought a dozen of pad paper costing 420 pesos. At what price must she sell if he wants to realize a 30% profit on cost?

Answer 1

Given:

Cost price is 420.

Profit is 30 %.

To find the selling price,

`\begin{gathered} 30\text{ percent of 420 is,} \\ (30)/(100)*420=126 \\ 420+126=546 \end{gathered}`

Answer: the retailer must sell paper for 546 pesos to get the profit of 30 %.