(5.15 pound) x (3.40 buck/pound) = <em>17.51 buck</em>
Y=9x-2
3x-2y=7
3x-18x+4=7
-15x=3
x=-1/5
y= -19/5
1200-500=700
700 is 10% of 7000
7000 in total ticket sales
The first thing we are going to do for this case is to rewrite the function correctly.
We have then:

For power properties we have:

Canceling similar terms we have:

Doing the calculations we have:
Answer:
The result of the expression is:
A 972
Total purchase = (unit cost)(# of pounds purchased)
Here, that total is ($0.98/lb)(3.5 lb) = $3.43 (answer)