Answer :

alexrichardkaye
[tex] (\frac{32-28}{32})*100 = 12.5% [/tex]

The general formula is;

[tex]( \frac{original-new}{original} )*100[/tex]
HolmesNWatson
The difference between these is four, and you should try and find what percentage 4 is of 32. 1/4 of 32 is 8, and as 4 is half of eight, this will be 1/8. Then convert this into a percentage, which is 12.5%

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