Question

the cost of a mobile phone was increased from rupees 2200 to a rupees 2640. By how much percent was the cost increased?

Answer 1

Hope it helps you.....

Answer 2

Given :

Original cost is Rs 2200

Increased cost is Rs 2640

Difference = 2640 - 2200 = 440 .

Finding percentage -

Difference/original cost x 100

440/2200 x 100 = 20%

Hence :

Percentage increased = 20%