Question

A radio was sold for 5600 if the ratio of the selling price to the cost price was 5:4 what was the cost price of the radio

Answer 1

here your answer dear

5x+4x=5600

9x=5600

x=5600/9

x=622.22222222

Answer 2

5600=5x

x=5600/5=1120 now,

cost price=4x=4x1120=4480 rs