Question 985464: Chris is 14 years younger than Sam. In 3 years, Sam will be 3 times as old as Chris. How old is Sam now Found 3 solutions by macston, josgarithmetic, MathTherapy:Answer by macston(5194) (Show Source):
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C=Chris's age; S=Sam's age=C+14
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S+3=3(C+3) Substitute for S.
(C+14)+3=3C+9
17-9=3C-C
8=2C
4=C Chris is 4 years old
S=C+14=4+14=18 ANSWER: Sam is 18 years old.
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CHECK:
S+3=3(C+3)
18+3=3(4+3)
21=3(7)
21=21
You can put this solution on YOUR website!
Chris is 14 years younger than Sam. In 3 years, Sam will be 3 times as old as Chris. How old is Sam now
Let Sam's current age, be S
Then Chris' current age = S - 14
We then get: S + 3 = 3(S - 14 + 3)
S + 3 = 3(S - 11)
S + 3 = 3S - 33
S - 3S = - 33 - 3
- 2S = - 36
S, or Sam's current age = , or
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