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10 April, 04:58

Original grade 80 New grade 100 Find the percent of increase

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  1. 10 April, 06:06
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    Answer: 20% increase

    Step-by-step explanation: It's out of 100 and you first got 80 and then you got 100. Since it's out of 100 you could just subtract to numbers ex: 100-80=20. The answer is 20% increase
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