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How do I do this? Question 1.

How do I do this? Question 1.-example-1
User Neumann
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1)30 percent of 100 is 30.

2)20 percent of 50 is 20/100=x/50

100x=50*20

100x=1000

100x/100=1000/100

x=10

3) 15/100= x/40

100x=15*40

100x=600

x=6

User Jonke
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