Question

If 3/8 in. on a drawing represents 1​ ft, how many inches on the drawing will represent 42 ​ft?

Answer 1

`(63)/(4)`

Explanation:

`(42)/(1) x (3)/(8)`

Cross out common factors 42 & 8;

`21 * (3)/(4)`

Write as a single factor.

`(21*3)/(4)`

21*3= 63

`(63)/(4)`