Asked by jianguo

in mid-term test, Darshan scores 4 out ot 10 in history. in the end of term test, he scores 15 out of 20. whork out what his percentage improvement is in history.

cheers!
Answered by Steve
(15/20)/(4/10) = 15/8 = 1.875 or 87.5% increase
Answered by jianguo
thank you very much, Steve!
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