Your friend solves the system of linear equations below. is your friend correct? explain your reasoning

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?

10 points? me . its important ‼️‼️

Askateboard ramp is in the shape of a right triangle what is the height of the ramp