Find each unit rate. a machine covers 5/8 square foot in 1/4 hour

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 correct interpretation of the expression -4+13

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid