Respuesta :
The percentage increase of the score will be equal to 30%.
What is the percentage?
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the per cent sign, "%
Here it is given that
First history score =70
Second history test = 91
The percentage increase will be given by
[tex]PE =\dfrac{91-70}{70}=30\%[/tex]
Hence the percentage increase of the score will be equal to 30%
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