SOLUTION: In 5 years time, Reshma will be three as she was 9 years ago. How old is she now?

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Question 978394: In 5 years time, Reshma will be three as she was 9 years ago. How old is she now?







Found 2 solutions by ankor@dixie-net.com, ikleyn:
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
In 5 years time, Reshma will be three times as she was 9 years ago.
How old is she now?
:
let a = her age now
a + 5 = 3(a-9)
a + 5 = 3a - 27
5 + 27 = 3a - a
32 = 2a
a = 32/2
a = 16 yrs now
:
:
See if that checks out
16 + 5 = 3(16-9)
21 = 3(7)

Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!

Let  x  be the Reshma's age now.

9  years ago Reshma age was  (x-9).
After  5  years Reshma's age will be  (x+5).
According to the condition,  you have an equation

x+5 = 3*(x-9).

Solve it by simplifying step by step:

x + 5 = 3x - 27,
x - 3x = -27 - 5,
-2x = -32,
2x = 32,
x = 32/2 = 16.

Answer.  Reshma is  16  years old now.