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Montgomery
Mathematics
12 July, 09:03
21 is 70 percent of what number
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Gilbert Estes
12 July, 09:12
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30
You need to make it a porportion 21 over nothing and 70 over 100
then do 21 x 100 = 2100 and then you need to divide 2100 by 70
Thats how u get 30
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