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7b divided by 12=4.2

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 Mar 9, 2020
edited by Guest  Mar 9, 2020
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7b/12 = 4.2      multiply both sides of the equation by 12

 

7b = 4.2(12) = 50.4     now divide both sides by 7

b = 50.4/7 = 7.2

 Mar 9, 2020

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