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April 16, 2014

April 16, 2014

Posted by **Y** on Monday, December 3, 2012 at 12:42am.

The question is: Carmella works 37.5 h per week for Century Home selling electronics equipment. She earns a base salary of $12/h and receives a commission of 5 cents for every dollar of sales she make.

Her chart goes like:

WSales($):Commission($): TotalSalary($)

0 0 -blank-

1000 50 -blank-

2000 -blank- -blank-

3000 -blank- -blank-

4000 -blank- -blank-

5000 -blank- -blank-

6000 -blank- -blank-

Then:Carmella's friends Maria and Sam work for two other electronics companies. The also work 37.5 h per week. Maria earns $8/h with a 10% commission and Sam earns $18/h with no commission.

a) One week, Carmella and Sam earned the same total salary. Determine each person's total sales and salary.

HOW DO I ANSWER THIS?! I TRIED TO DO THE ABOVE CHART FOR ALL THREE FRIENDS TO GET THE INFO TO GRAPH BUT THERE IS NO WEEKLY SALES I SEE WHEN SAM AND CARMELLA HAVE THE SAME TOTAL SALARY.

WHAT AM I DOING WRONG?!

I FILLED OUT THE CHARTS LIKE BUT FOR TOTAL SALARY, AM I SUPPOSED TO ADD THE PREVIOUS TOTAL SALARY TO THE NEXT ONE OR WHAT? PLEASE HELP ME WITH THIS QUESTION, PLEASE!

- math -
**Steve**, Monday, December 3, 2012 at 11:23amon x sales,

c = 12*37.5 + .05x

m = 8*37.5 + .10x

s = 18*37.5

during the week, sam made 675.00

so, we need

12*37.5 + .05x = 675.00

x = 4500

c = 450(salary) + 225(commission) = 675

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