SOLUTION: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo?

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Question 115205: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo?
Answer by HyperBrain(694)   (Show Source): You can put this solution on YOUR website!
Let x=ricardo's sister's age
2x-4=ricardo's age

IF The sum of their ages is 20,








Thus, ricardo is 8 yrs old

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