Question

Mr.Maina who deals in electronics sells a radio to a customer at Ksh. 1440 after giving a discount of 10% but find that he makes a 20% profit. Find the profit Mr. Maina would make if he does not give a discount.

Answer 1

100% = x
90% = 1440

1440 x 100
      90
=1600

120% =1600

100% =x

1600 x 100
      120
=1333.3
1600 – 1333.3 = 266.70