Question

If the average grade of an English class rose from 70 to 85, what is the approximate percent increase?

The percent increase is approximately 14%.
The percent increase is approximately 17%.
The percent increase is approximately 2196.
The percent increase is approximately 35%.

Answer 1

The correct answer is actually around 21%. Are you sure the question wasn't asking what the approximate percent decrease from 85 to 70 was? Because in that case it would be around 17%.

Explanation: