four boxes of chocolates contain 10,12,15 and 20 chocolates, respectively. For his birthday. Raman wants to buy equal number of chocolates of each kind. he needs to buy complete boxes. what is the minimum number of chocolates of each kind he should buy? How many boxes of each kind should he buy.
Refer to the rectangle at the right. Suppose the side lengths are doubled. (a) Find the percentage of increase in perimeter. (b) Find the percentage of increase in area.