Answer:
The answer is is 50
Explanation:
If 3/5 if number is 30, then this means that 1/5 of the number must be 10 (i.e. If we divide 3/5 by 3, we get 1/5, so similarly, we can divide 30 by 3 to get 10). So, if 1/5 of the number is 10, this means the original number is 5x10 = 50.
We can also work this out using algebra:
