Mathematics, 06.04.2021 16:20, nathaliapachon7948

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 2( y + 10) = x
y = x + 5 and 2( y + 10)-( x + 10) = 35
y = x + 5 and y + 10 = 2x

Answers: 2

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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...