SOLUTION: A building needed 14 windows. The builder had already installed 5 of them. If it takes four hours to install each window. How long will it take him to install the rest? I have tr

Algebra ->  Conjunction -> SOLUTION: A building needed 14 windows. The builder had already installed 5 of them. If it takes four hours to install each window. How long will it take him to install the rest? I have tr      Log On


   

Question 1060543: A building needed 14 windows. The builder had already installed 5 of them. If it takes four hours to install each window. How long will it take him to install the rest? I have tried subtracting 14 and 5 and then multiplying 9 and 4 and getting 36, but i am no sure if it is right.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
He already installed 5 windows, so he still needs to install the remaining 9 windows.

Four hours to install EACH window, 9 windows needing to be still installed?

9%2Awindows%2A%284%2F1%29%28hours%2Fwindow%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

A building needed 14 windows. The builder had already installed 5 of them. If it takes four hours to install each window. How long will it take him to install the rest? I have tried subtracting 14 and 5 and then multiplying 9 and 4 and getting 36, but i am no sure if it is right.
You're right! Good job!

By the way, it should be: I have tried subtracting 14 5 and from 5 14......