A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:

Question

Accepted Answer

Let original length = x and original breadth = y. Decrease in area = xy -[(80/100x) * (90/100y)] =[(xy-(18/25)xy)] =(7/25)xy Decrease % =[(7/25)xy * (1/xy) * 100] =28…

A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:

Discussion & Comments