# SOLUTION: 8. Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? A) 8 B) 10 C) 12 D) 14

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: 8. Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? A) 8 B) 10 C) 12 D) 14       Log On

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 Question 106637: 8. Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? A) 8 B) 10 C) 12 D) 14 Answer by HyperBrain(694)   (Show Source): You can put this solution on YOUR website!Let x= the age of the sister ____y=age of Ricardo THen, 2x=twice the age of his sister x+y=sum of their ages IF Ricardo is 4 years less than twice as old as his sister, If the sum of their ages is 20, But, Thus, Solving for y, Therefore, Ricardo is 12 yrs. old! Power up, HyperBrain!