PLEASE SOMEONE HELP QUICK

Irene bought 3 yards of fabric and a spool of thread for $28.10. if the spool of thread cost $1.25, how much did the fabric cost per yard?

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 these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10