Question

`(f)/(6) = 2.5`
what is f?

Answer 1

the correct answer is 15

Answer 2

`(f)/(6) = 2.5 \\`

Multiplying both sides with 6, we get

`(f)/(6) * 6 = 2.5 * 6\\ \boxed{ f = 15}✓`

f=15 is the right answer.