Is 1/4 the answer to this what ratio forms a porportion with 8/36

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?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

What is the answer to the question 5x+2x