Question

A dealer sold a radio at a loss of 2.5%. Had he sold it for rs. 100 more, he would have gained 7.5%. To gain 12.5% he should sell it for​

Answer 1

Answer:

he should sell it for 1125

Step-by-step explanation:

• let cost price of radio be CP
• for 2.5 % loss selling price SP1 = CP - 2.5/100CP
• for 7.5 % gain selling price SP2 = CP + 7.5/100CP
• SP2-SP1 = 100
• 7.5/100CP + 2.5/100CP = 100
• CP = 1000
• for 12.5 % gain selling price = CP + 12.5/100CP=1125

Answer 2

The attachment for the solution is below .