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Explain why a change from 20 to 40 is a 100 percent increase,but a change from 40 to 20 is a 50 percent decrease

asked Jul 14, 2018

Mathematics
middle-school

2 answers

1 vote

215k views

Apakah kepentingan inovasi dalam bidang pertanian?

asked May 15, 2018

History
middle-school

1 answer

4 votes

129k views

Why was the earth-centered model of the universe discarded?

asked Apr 20, 2018

Chemistry
middle-school

2 answers

4 votes

37.6k views

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