Question

A trader makes a profit of 20 percent on a radio which he sold for #144.calculate the cost price of the radio​

Answer 1

You find the profit the trader made then subtract it from the total sos it’s

$144 x 0.2 = $28.8 (profit)

$144 - $28.8 = $115.2 (price of radio)

So the price of the radio is $115.20