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John scored 20 points on his first 40 points on his second test . what % change is that

John scored 20 points on his first 40 points on his second test . what % change is that
asked 150k views
1 vote
John scored 20 points on his first 40 points on his second test . what % change is that

asked
User Fernando Madruga
by
8.0k points

1 Answer

2 votes
(40-20)/20=100 percent increase.
answered
User Jansky
by
8.3k points
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