jennymia jennymia

01-03-2017
Mathematics

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The sum of the ages of two brothers is 46. The younger brother is 10 more than a third of the older brother's age. How old is the younger?

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Аноним Аноним

01-03-2017

b+1/3b+10=46
4/3b+10=46
4/3b=46-10
4/3b=36
4b=36 x 3
4b=108
b=108/4
b=27(older brother)
1/3(27)+10
27/3+10
27/3+30/3
57/3
19 younger brother

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