narutouchiadb narutouchiadb

10-01-2017
Mathematics

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1 over 3b = 4 over 5. Which of the following equals b in this equation?

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denonakavro denonakavro

10-01-2017

1/3b = 4/5
Do the cross multiplication
1(5) = 3b(4)
5=12b
b=5/12

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