SOLUTION: A mother and her daughter are 40 and 14 years old respectively. In how many years will the mother's age be 4 more than twice the daughter's age?

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Question 1046040: A mother and her daughter are 40 and 14 years old respectively. In how many years will the mother's age be 4 more than twice the daughter's age?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +n+ = number of years from now
when mother's age is 4 more than twice
daughter's age
+40+%2B+n++=+2%2A%28+14+%2B+n+%29+%2B+4+
+40+%2B+n+=+28+%2B+2n+%2B+4+
+40+%2B+n+=+2n+%2B+32+
+n+=+8+
8 years from now
------------------
check:
+40+%2B+n++=+2%2A%28+14+%2B+n+%29+%2B+4+
+40+%2B+8++=+2%2A%28+14+%2B+8+%29+%2B+4+
+48+=+2%2A22+%2B+4+
+48+=+44+%2B+4+
+48+=+48+
OK