Question 1046970: Bob is twice as old as Chuck and Susie is 10 years younger than Bob is the sum of their ages is 100 years, how old is susie Found 2 solutions by ewatrrr, josmiceli:Answer by ewatrrr(24785) (Show Source):
Hi
Bob is twice as old as Chuck and Susie is 10 years younger than Bob
Let x be Chuck's age
Bob + Chuck + Susie = 100
2x + x + (2x - 10) = 100
5x = 110
x = 22, Chuck's age. Bob is 44 and Susie is 34
AND
22 + 44 + 34 = 100 CHECKS!
You can put this solution on YOUR website! = Bob's age = Chuck's age = Suzie's age
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(1)
(2)
(3)
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(1)
Substitute (1) and (2) into (3)
(3)
(3)
(3)
(3)
and
(1)
(1)
(1)
and
(2)
(2)
(2)
Suzie is 34
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check:
(3)
(3)
(3)
and
(2)
(2)
(2)
OK
