SOLUTION: find the age of john and mary if four times jonhs age equals three times marys age, and mary is ten years older than john.
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Question 441332
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find the age of john and mary if four times jonhs age equals three times marys age, and mary is ten years older than john.
Answer by
jorel1380(3719)
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M=J+10
3M=4J
3(J+10)=4J
3J+30=4J
J=30
M=40
John is 30. Mary is 40..