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Age

by heshamelaziry » Sun Oct 18, 2009 4:36 pm
Today, Bill is thirteen times as old as Pete. In nine years, Bill will be four times as old as Pete. How old will Pete be 2 years from today?

5

7

6

4

3
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by truplayer256 » Sun Oct 18, 2009 6:52 pm
B=13P

B+9=4(P+9)

Substitute B=13P into the above equation:

13P+9=4P+36

13P-4P=27

9P=27

P=3

2 years from today, Pete will be 3+2 or 5 years old.

A
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