Question

How do you solve `4.2v = \frac{7}{15}`?

Answer 1

`v=1/9`

Explanation:

`4.2=42/10`

So `4.2v=7/15` is equivalent to `42/10v=7/15`

`rarr v= 7/15 xx 10/42= cancel(7)/(cancel(15)_3) xx cancel(10)^2/cancel(42)_6=1/9`