The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its width. What are
length and the width of the pool ?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.