Mathematics
Mathematics, 18.10.2019 07:00, whitethunder05

John is 5 years older than mary. in 10 years, twice john's age decreased by mary's age is 35, and john's age will be
twice mary's current age. find their ages now.
if x is mary's age now and y is john's age now, which system of equations could not be used to solve the problem?
y=x+ 5 and y+ 10 = 2x
y=x+5 and 2ly + + 10) = 35
y=x+5 and 2(y + 10) = x

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John is 5 years older than mary. in 10 years, twice john's age decreased by mary's age is 35, and jo...

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