Question

The percent of change from 30 to 39

Answer 1

The percent change formula is :

`\%=(N-O)/(O)*100`

where N is the new value and O is the original value.

From the problem, we have O = 30 and N = 39

Using the formula above :

`\%=(39-30)/(30)*100=30\%`

The answer is 30%