Divide 126 in the ratio 4:5

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asked Dec 15, 2015 102k views

1 vote

Divide 126 in the ratio 4:5

Mathematics
high-school

Zvonicek asked

by Zvonicek

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The answer is 56:70. 4 + 5 = 9. 126 / 9 = 14. 14 x 4 = 56. 14 x 5 = 70. 56:70 is the answer.

Ralphilius answered Dec 17, 2015

by Ralphilius

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$4x+5x=126\\ \\9x=126\ /:9\\ \\x=14\ \ \ \Rightarrow\ \ \ 4x=4\cdot14=56\ \ \ and\ \ \ 5x=126-56=70\\ \\check\\ \\ (56)/(70) = (4\cdot14)/(5\cdot14) = (4)/(5) \\ \\Ans.\ 56:70$

Wordica answered Dec 21, 2015

by Wordica

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