Question 990853
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B=Bill's age; J=Johns age=2B
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(B+5)+(J+5)=34
B+J+10=34
B+J=24 Substitute for J
B+2B=24
3B=24
B=8
ANSWER 1: Bill is 8 years old.
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J=2B=2(8)=16
ANSWER 2: John is 16 years old.
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CHECK:
(B+5)+(J+5)=34
(8+5)+(16+5)=34
13+21=34
34=34