Question

If y varies directly as x and t is 6 when x is 72 what is the value of y when x is 8

Answer 1

3/4

Explanation:

Old x: 72 New x: 8

To get 6 (old y) from 72 (old x), multiply by 1/12

To get New Y, multiply 8 * 1/12 = 3/4