SOLUTION: Acertain instructor's age is now seven-ninths of what will be 18 years from now. Just how old is he now?
Algebra.Com
Question 159785: Acertain instructor's age is now seven-ninths of what will be 18 years from now. Just how old is he now?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A certain instructor's age is now seven-ninths of what will be 18 years from now. Just how old is he now?
.
Let x = age of instructor
.
x = (7/9)(x+18)
9x = 7(x+18)
9x = 7x+126
2x = 126
x = 63 years old
RELATED QUESTIONS
A certain doctor's age is now seven-ninth's of what it will be 18 years from now. Just... (answered by macston)
A certain doctor's age is now sven-ninths of what will be 18 years from now. Just how old (answered by josgarithmetic)
Marks age now if he is seven-ninths of what it will be 18 yrs from now
(answered by josmiceli)
ceasar's age now is five-eights of what he will be 18 years from now. How old is ceasar... (answered by JBarnum)
A certain teachers age is now three fifths of what it will be 24 years from now. Just how (answered by josgarithmetic)
seven years ago jackson's age was 2/5 of the age he will be 20 years from now. how old... (answered by ankor@dixie-net.com)
A boy's age is now three-sevenths of what he will be four years from now? How old is he... (answered by phojhe001)
Seven years ago, Martin’s age was one third of the age he will be in 9 years. How old is... (answered by ikleyn)
Mike's age is three fourths of Mary's age. In 5 years Mike's age will be seven ninths... (answered by ptaylor)