The answer is 12.6 that’s the answer right there
Answer:
X=-3
Step-by-step explanation:
5x - 9
-2x + 12
(+) (-)
7x = -21
X= -3
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Answer:
Step-by-step explanation:
=4
For this case, the first thing we must do is define variables.
We have then:
x: number of pens
y: number of pencils
We now write the system of inequations:

The solution to the system of inequations is given by the shaded region.
Note: see attached image.
Answer:
$17
Step-by-step explanation:
since your finding retail price u need to do 10×.7 and that would be 7 then and the 7 to 10