Answer:

Step-by-step explanation:

1) 4, because 4/5 is closer to 4 than it is 3 1/2.
2) 100
3) 5
Answer:
Sales = n
($x + $y)
Step-by-step explanation:
The basic simple sales equation is
Quantity
Price = Sales
Here in the given question,
Total quantity of sales = n
Price = Cost + markup
(Markup refers to the profit added to cost)
Thus price = $x (cost) + $y (markup)
Sales = n
($x + $y)
Sales amount is the total amount received from sales of products, total quantity at some price provided.
By the fundamental theorem of calculus,

So we have



Answer:
y= 
Step-by-step explanation:
2x+3y=C
isolate y
3y=C-2x
y= 