Question

a garage floor measures 150 feet by 120 feet. A scale drawing of the floor on grid paper uses a scale of one unit 15 feet what are the dimensions of the drawing

Answer 1

150 / 15 = 10
120 / 15 = 8

Dimensions of the drawing are 10 x 8 on the grid paper.

Answer 2

well it's 1:15 so 150 feet would be 10 units since 150 is 15 times of 10 
120/15=8 units 
the floor is 8 by 10 units