Question

Mrs. Lowndes was buildin a play house for her grandson. The scale listed on the building bluerint was 2in = 5ft. What is the actual height of the playhouse if the height of the drawing on the instructions was 8.5 inches.

Answer 1

21.25 ft

Explanation:

we know that

The scale factor is
`(2)/(5)\ (in)/(ft)`

That means

2 inches in the drawing represent 5 feet in the actual

To find out the actual height, divide the height in the drawing by the scale factor

so

`8.5:(2)/(5)=(8.5*5)/(2)=21.25\ ft`