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dexar [7]
4 years ago
15

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

Mathematics
2 answers:
bonufazy [111]4 years ago
6 0
40 = 2 times 20

20 = 40/2
rjkz [21]4 years ago
6 0
You are multiplying all of 20 which is 100% and your dividing only half of 40 which is 50%
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Step-by-step explanation:

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4 years ago
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weqwewe [10]
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Your question states: <span>What is the value of the expression |-7| + |-4|

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