14+3n=8n-3(n-4) this is really hard me

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

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth