SOLUTION: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo?
Algebra.Com
Question 122178: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo?
Found 2 solutions by jasonlin00, josmiceli:
Answer by jasonlin00(6) (Show Source): You can put this solution on YOUR website!
Ricardo is 12 years old.
(12+4)/2= 8
which is 20 years old in sum
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
r = Ricardo's age
s = sister's age
Substitute this value of in 1st equation
answer
check answer
OK
RELATED QUESTIONS
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by stanbon)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by stanbon)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by joyofmath)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by checkley71)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by ptaylor)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by jim_thompson5910)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by ptaylor)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20.... (answered by stanbon)
RICARDO IS 4 YEARS LESS THAN TWICE AS OLD AS HIS SISTER.
THE SUM OF THEIR AGES IS 20.
(answered by elima)
Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How (answered by HyperBrain)