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26-01-2018
Mathematics

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If AB = 35, BC = 15, and EF = 60, then the value of DE is:

If AB 35 BC 15 and EF 60 then the value of DE is class=

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choixongdong choixongdong

26-01-2018

AB/BC = DE/EF
35/15 = DE/60
DE = 35*60 / 15
DE = 140

answer
A 140

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