SOLUTION: The product of 10/9 with another number is 7/11. What is the other number?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The product of 10/9 with another number is 7/11. What is the other number?      Log On


   



Question 1090830: The product of 10/9 with another number is 7/11. What is the other number?
Found 2 solutions by ankor@dixie-net.com, Alan3354:
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The product of 10/9 with another number is 7/11.
What is the other number?
n * 10%2F9 = 7%2F11
%2810n%29%2F9 = 7%2F11
Cross multiply
11*(10n) = 9 * 7
110n = 63
n = 63%2F110

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The product of 10/9 with another number is 7/11. What is the other number?
-------------
(10/9)*n = 7/11
n = (7/11)/(10/9)
Invert the divisor 10/9 and multiply.
n = (7/11)*(9/10)
n = 63/110