SOLUTION: In 15 years, Maya will be twice as old as David is now. In 15 years, David will be as old as Maya will be 10 years from now. How old is Maya now?
a.
20
c.
30
b.
25
d.
35
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-> SOLUTION: In 15 years, Maya will be twice as old as David is now. In 15 years, David will be as old as Maya will be 10 years from now. How old is Maya now?
a.
20
c.
30
b.
25
d.
35
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Question 825337: In 15 years, Maya will be twice as old as David is now. In 15 years, David will be as old as Maya will be 10 years from now. How old is Maya now?
a.
20
c.
30
b.
25
d.
35 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! In 15 years, Maya will be twice as old as David is now. In 15 years, David will be as old as Maya will be 10 years from now. How old is Maya now?
----
Equation(s)::
m+15 = 2d
d+15 = m+10
-----
Rearrange::
m - 2d = -15
m - d = 5
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Subtract and solve for "d":
d = 20 (David's age now)
----
m = 5+d
m = 25 (Maya's age now)
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Cheers,
Stan H.
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