Posted by **Nessie** on Tuesday, February 10, 2009 at 4:42pm.

Translate each problem into a system of equations. DO NOT attempt to solve. JUST write the equation(s).

Mountainside Fleece sold 40 neckwarmers. Solid color neckwarmers sold for $9.90 each and print ones sold for $12.75 each. In all, $421.65 was taken in for the neckwarmers. How many of each type were sold?

I do not need to solve the equation. I just do not know how to take the provided information and make equations. My teacher told me that I would probably have to make two equations with two variables (x and y). Does anyone know how to do this?

Thanks so much!

- Here's what I got.... -
**Nessie**, Tuesday, February 10, 2009 at 4:50pm
Equation #1: x + y = 40

Equation #2: 9.90x + 12.75y = 421.65

Am I correct?

- Algebra -
**drwls**, Tuesday, February 10, 2009 at 4:53pm
Looks like you have that part figured out, too! Keep up the good work

- Algebra -
**Reiny**, Tuesday, February 10, 2009 at 4:55pm
correct

I always insisted that my students define the variables used.

e.g.

Let the number of Solid color neckwarmers be x

let the number of print neckwarmers by y

- then form your equations

- Thanks, both of you! -
**Nessie**, Tuesday, February 10, 2009 at 5:03pm
Thank you for helping me! :-)

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