Question

if a student score 80 marks in his first test and 96 marks in his second test find percentageincrease​

Answer 1

Answer:

Difference= 96-80= 16

percentage increase= 16 x 100/80

= 1600/80

= 20%

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Answer 2

$\huge\mathbb\purple{AnSwEr}$

percentage increase=20%

$to \: calculate \: the \: percentage \: increase \: = new \: score - old \: score \\ 96 - 80 = 16 \\ divide \: it \: by \: old \: score = \frac{16}{80} = 0.2 \\ 0.2 \times 100 = 20 \\ so \: the \: percentge \: = 20\%$

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