Posted by Mishka on .
You go to the video store to rent 5 movies for the weekend. Movies rent for $2 and $3. You spend $13. How many $2 movies did you rent?
~Mish <3

Algebra 
Ms. Sue,
I'll be glad to check your answer.

Algebra 
Mishka,
I don't know how to do

Algebra 
Reiny,
number of $2 movies  x
number of $3 movies  5x
solve for x
2x + 3(5x) = 13
Why didn't you just do trial and error. There are only 5 choices. 
Algebra 
Mishka,
x=2?

Algebra 
Ms. Sue,
Right.

Algebra 
Mishka,
thank you

Algebra 
Ms. Sue,
You're welcome.