Please help me I have no clue what’s going on lol

Every time you drive you will experience a combination of driving conditions and environments.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

How to do this , and can some one explain