SOLUTION: IF Tina's age 1 year from now plus her age 2 years ago plus three times her age 5 years ago is equal to 69 years, how old is she now?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: IF Tina's age 1 year from now plus her age 2 years ago plus three times her age 5 years ago is equal to 69 years, how old is she now?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 560328: IF Tina's age 1 year from now plus her age 2 years ago plus three times her age 5 years ago is equal to 69 years, how old is she now?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +a+ = her age now
given:
+a+%2B+1+%2B+a+-+2+%2B+3%2A%28+a+-+5+%29+=+69+
+2a+-+1+%2B+3a+-+15+=+69+
+5a+-+16+=+69+
+5a+=+69+%2B+16+
+5a+=+85+
+a+=+17+
She is 17
check:
+18+%2B+15+%2B+3%2A12+=+69+
+33+%2B+36+=+69+
+69+=+69+
OK