Question 386767: The difference of Ron's age and Joan's ages is 8 years. The sum of twice Ron's age and 3 times Joan's age is 66. How old is each. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! The difference of Ron's age and Joan's ages is 8 years. The sum of twice Ron's age and 3 times Joan's age is 66. How old is each.
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Ron's age =r
Joan's age =j
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r-j=8...................1
2r+3j=66................2
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multiply 1 by 3
3r-3j=24
add this to (2)
2r+3r+3j-3j=24+66
5r=90
/5
r=14 -----ron's age
Joan's age =6
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m.ananth@hotmail.ca
