You are remodeling your kitchen. You've contacted two tiling companies who gladly told you how long it took their workers to tile a floor of a similar size.
Jim completed half the floor in 7 hours. Pete completed the other half of the
floor in 6 hours. If Pete can lay 15 more tiles per hour than Jim, what equation
would you use to find the rate that Jim can lay tiles? Let x represent Jim's
rate.