Answer:
Step-by-step explanation:
Answer:
x=3
Step-by-step explanation:
4x-x=9
3x=9
x=3
Answer:
No, she's wrong

Step-by-step explanation:
So starting from the beginning...

Subtract the 3 from both side and it will look like...

Then add 2x from both sides and it will look like...

Finally divide by 5 to both sides and it will look like...

Answer:
Step-by-step explanation:
By using the concept of profit, it can be calculated that
Profit function = 5.75 x - 1200
What is profit?
If the selling price of an article is more than the cost price of the article, the difference between the selling price and cost price gives the profit
Monthly expense for a pizza parlor C(x) = 1,200 + 6. 75x
Revenue function = 12.5x
Profit function = R(x) - C(x)
= 12.5x - (1200 + 6.75x)
= 12.5 x - 1200 - 6.75x
= 5.75 x - 1200
To learn more about profit, refer to the link-
brainly.com/question/19104371
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