The sum of the speeds of two trains is 719.9 miles per hour. if the speed of the first train is 8.1 mph faster than that of the second train, find the speeds of each.

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

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Two consecutive negative integers have a product of 30. what are the integers?