Question

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

Answer 1

Solution :-

Given : Pan's math score is 84 this time. Last time he got 70.

Mark increase = (84 - 70)

= 14

Percent of marks increase = (marks increase × 100)/last time marks %

= (14 × 100)/70 %

= 20 %

Hence,

Marks increased by 20%

Answer 2

$\sf{\large{\underline{\underline{Answer:}}}}$


20 %

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$\sf{\large{\underline{\underline{Explanation:}}}}$


Price Increase = 84 - 70 = 14

You need to use the following equation:

$\sf \% \: Change = \dfrac{change(increase \: or \: decrease)}{the \: original} \times 100\% \\ \sf \% \: Change = \dfrac{14 × 100}{70} \\ \sf \% \: Change = 20 \%$

We get 20 % as our percentage increase.