SOLUTION: Beth C. Day lived 63 years from 18tu to 18ut. The sum of tu and ut is 11. In what year was Beth C. Day born? (answer is 1829 show your solution)

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Question 906890: Beth C. Day lived 63 years from 18tu to 18ut. The sum of tu and ut is 11. In what year was Beth C. Day born? (answer is 1829 show your solution)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
u+t=11
10*u*+t-(10*t+u)=63
10*u*+t-10*t-u=63
9*u-9*t=63
u-t=7
u+t=11
2u=18
u=9
t=2