Can someone PLEASE help with this i genuinely need it thank you

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

Can someone me out here and the tell me the greatest common factor

The acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?