# YYMATH5.docx

DISCUSSION: This is the question I have to answer.

1.If you have a problem that has multiple variables, you can solve it using a system of equations. Think of a real-world example where you would need to solve using a system of equations.

Write two or three sentences describing your example.

Include the equations in your description, but do not solve the system.

These are the 2 responses.

Please NOTE: the red highlighted one is first response and the blue highlighted one is the second respond.

USING SYSTEM OF EQUATIONS TO SOLVE SALARY

2.Salary option 1 is \$800 per week plus a 2% commission in sales. Salary option 2 is \$600 per week plus a 4% commission in sales. Find the weekly sales level that creates equal salaries.

X1=400+2(x/100)

X2=600+4(x/100

3. Milan has two envelops with money, their sum of \$248 and their difference is \$42. what is the amount of money in each envelop.

Let M= the amount of money in envelop 1

N= amount of money in envelop 2

The first equation is about the sum(total) of money in both envelop

M+N= \$248

The second equation deals with difference

M-N=42

This equation can be solved using all three methods; substitution, elimination and graphing

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