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Wewaii [24]
3 years ago
6

John is x years old and his sister Mary is (5x-12) years old. Given that Mary is twice as old as John, write in terms of x an eq

uation connecting their ages and find their ages ​
Mathematics
1 answer:
jeka57 [31]3 years ago
3 0
Answer: x =4
Mary is 8 and John is 4

Explanation:
John = x
Mary = 5x - 12 or 2x

Solve for x

5x - 12 = 2x

-12 = -3x

X=4

Hope that helps!
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