Question

If m varies directly as p, and m=45 when p=9, find m when p is 6.

Answer 1

m=30

Explanation:

m∝p

m=kp

m=45 when p=9

45=9k

k=45/9=5

therefore,

the equation connectig m and p is

m=5p

when p is 6

m=5*6

m=30