a model of a house is drawn using a scale of 3in=15ft. what is the length of the actual house if the model has a length of 15in

3 answers

Cross multiply and solve for x

3/15 = 15/x
so is it x=225in
No.

Cross multiply:

15 * 15 = 3x

225 = 3x

75 = x

The actual house is 75 feet long.