Pan's math score is 84 this time. Last time he got 70. What is the percent of increase (from last time)?

1 Answer
Apr 2, 2018

Answer: " "20% 20%

Explanation:

You need to use the following equation:

"% change" = "change (increase or decrease)"/"the original" times 100%% change=change (increase or decrease)the original×100%

The difference between the two marks is 1414. His original mark was 7070. This means we divide 1414 by 7070, and multiply by 100%100%.

We get 20%20% as our percentage increase.