Solve each equation (they’re in the wrong spots btw)

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

Which of the following is the correct ratio for converting kilograms to grams

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?