Someone help, I'm too lazy to do the work.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

X+ y = 5 ; x - y =3 solve using linear combination

Factor the expression using gcf 9b+45