Question 1046970
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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 {{{2*22}}} and Susie is 34 {{{44-10}}}
AND
22 + 44 + 34 = 100 CHECKS!