SOLUTION: Grandpa Schimdt is 75 yrs old. This is 9 yrs less than seven times the age of junior Schimdt. How old is JR?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Grandpa Schimdt is 75 yrs old. This is 9 yrs less than seven times the age of junior Schimdt. How old is JR?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 162347: Grandpa Schimdt is 75 yrs old. This is 9 yrs less than seven times the age of junior Schimdt. How old is JR?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Grandpa Schimdt is 75 yrs old. This is 9 yrs less than seven times the age of junior Schimdt. How old is JR?
.
Let J = Jr's age
.
then from "Grandpa Schimdt is 75 yrs old. This is 9 yrs less than seven times the age of junior Schimdt."
75 = 7J - 9
Adding 9 to both sides we get:
84 = 7J
Dividing both sides by 7 yields:
12 = J (junior Schimdt's age)