Aman is 9 years older than his brother, if the product of their ages is divided by the sum of their ages, the answer is 20. find their ages

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Math each whole number with a rational,exponential expression

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?