Dada borrowed 2000 from his friend at the rate of 5/2 per annum simple interest/ find the amount he will pay back to his friend after two years

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle