SOLUTION: 5. Mary is 5 years older than Jane. Four times Jane's age increased by 3 years equals three times Mary's age less 2 years. Find Mary's age
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Question 1024936: 5. Mary is 5 years older than Jane. Four times Jane's age increased by 3 years equals three times Mary's age less 2 years. Find Mary's age
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Mary's age
Let = Jane's age
--------------------
(1)
(2)
---------------------
(2)
and
(1)
-----------------
Multiply both sides of (1) by
and subtract (2) from (1)
(1)
(2)
-------------------
and
(1)
(1)
(1)
Mary is 15
------------------
check:
Four times Jane's age increased by 3 years is
equals three times Mary's age less 2 years
OK
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