Question

Ravi marked his walkman at 60% above his cost price,
If he had decreased his discount from 20% to 10%,
he would have earned 80 more. His cost price
is​

Answer 1

Answer:

Cp. Sp. Mp

100% of Cp. // 128 % of Cp // <-- (-20%)// 160% of CP

100% of Cp. // 144% of Cp. // <---(-10%)// 160 % of Cp

Now, 144% of Cp. - 128% of Cp. = 80

so, 16% of Cp = 80

1 % of Cp = 5

100 % of Cp = 500