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

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

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Answer 1 · 2018-04-02T17:57:07

Answer: $20 %$ $" "20%$

Explanation:

You need to use the following equation:

$% change = \frac{change (increase or decrease)}{the original} \times 100 %$ $"% change" = "change (increase or decrease)"/"the original" times 100%$

The difference between the two marks is $14$ $14$ . His original mark was $70$ $70$ . This means we divide $14$ $14$ by $70$ $70$ , and multiply by $100 %$ $100%$ .

We get $20 %$ $20%$ as our percentage increase.

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

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