An old brainteaser by the central asian scholar biruni (973−1048): if 10 dirhams (a unit of currency) earn 5 dirhams of profit in 2 months, how much profit will 8 dirhams earn in 3 months?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?