SOLUTION: J.t is 5 years older than twice his sisters age. the sum is 20. how old r they????
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Question 615921: J.t is 5 years older than twice his sisters age. the sum is 20. how old r they????
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = jt's age
Let = sister's age
given:
(1)
(2)
---------------
(1)
(2)
Add the equations
and, since
(1)
(1)
(1)
JT is 15 and his sister is 5
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