Today, Jin's age is 1/3 of Mary's age. In four years, Jin's age will be 1/2 of Mary's age. How old is Mary today? a)6 yrs old b)9yrs old c)12 yrs old d) 16yrs old

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asked Jul 18, 2020 44.7k views

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Today, Jin's age is 1/3 of Mary's age. In four years, Jin's age will be 1/2 of Mary's age. How old is Mary today?

a)6 yrs old
b)9yrs old
c)12 yrs old
d) 16yrs old

Mathematics
middle-school

Joarder Kamal asked

by Joarder Kamal

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1 Answer

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Answer:

C)12 Years Old

Explanation:

Today, Jin is 4. In four years, Mary will be 16. Jin will be 8. 8=1/2(16)

Tree answered Jul 22, 2020

by Tree

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