A calculator is sold for 345 at a profit of 15%.Find the cost price of the calculator.At what price must it be sold to earn a profit of 25%?​

Answers 1

Step-by-step explanation:

Let,

the cost price is = 100 rs

Given,

for selling price 115 rs, cost price = 100 rs

for selling price 1 rs, cost price = 100/115 rs

for selling price 345rs, cost price= 100/155*345 rs

= 300 rs

At the profit of 25%,

for cost price 100 rs, selling price = 125 rs

for cost price 1 rs, selling price = 125/100 rs

for cost price 300rs, selling price= 125/100*300 rs

= 375 rs

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