a stereo system cost 275 is on sale for 15% off .The sales person receives a 2% commission. How much of a commission do they receive?

$4.68

Step-by-step explanation:

If the stereo is 15% of then you have to do 85% of 275

If the sales person only makes a 2% commission then we need to do 2% of 233.75

Since money only goes to the hundredths place we need to round to the hundredths.

(2,5)

Step-by-step explanation:

First, we notice that

y = -x + 7

y = 2x + 1

Next, since both -x + 7 and 2x + 1 are equal to y, than by that logic it means

-x+7 = 2x+ 1

Add x to both sides

7 = 3x+1

Subtract 1 from both sides

6 = 3x

x = 2

Now that we solved x, let's plug x = 2 into either -x+7 or 2x + 1. Either way, both will have the same answer.

y = -x + 7

y = -(2) +7

y = 5

Therefore, the answer is

x= 2

y = 5

(2,5)