Question

2 questions please help

1. Solve the proportion 4/5 = n/15
2.The scale on a drawing is 3 in.:4 ft. The actual length of the object is 24 feet. How many inches is the length of the object on the drawing?

Answer 1

5 + 5 + 5 = 15

4 + 4 + 4 = 12

1) 4/5 = 12/15

2)

3in : 4ft = xin : 24ft

4 * 6 = 24

3 * 6 = 18

18in : 24ft