Question

If ab=20 and ac=12, and c is between a and b, what is bc?

Answer 1

bc = 8

Explanation:

We are given that,

ab = 20, (i)

ac = 12, (ii)

and,

c is between a and b,

we have to find bc,

Since c is between ab, so,

ab = ac + bc

which gives,

bc = ab - ac

bc = 20 - 12

bc = 8