fohunts fohunts

04-02-2017
Mathematics

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John's age is seventeen years less than twice Isabella's age. Together, the sum of their ages is 40. How old is John?

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anthony12341 anthony12341

04-02-2017

Isabella's age is x
Johns' age is 2x-17
x+2x-17=40
3x-17=40
3x=57
x=19
Isabella's age is 19, but it asked for John's age
John is 2(19)-17=21
John's age is 21

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