6 ways to add 6 7 & 8

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

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

How many solutions does the nonlinear system of equations graphed below have?