So 32=(number of boxes) times (number of books per box)
number of books per box=8
number of boxes=n
32=n times 8
so equation is
32=8n
sol divide both sides by 8
32/8=8/8n
4=1n
4=n
4 boxes
If X is 5
Then f(5) = 3(5) + 2
= 17
ANSWER
The linear equation is: y = 80x + 65
Te cost for 40 football jerseys: $3265
EXPLANATION
Let 'x' be the number of jerseys and 'y' the cost of x jerseys.
Each jersey costs $80, so the cost of x jerseys is 80x. There's also an extra fee for procesing of $65, which is the same no matter how many jerseys they buy.
Therefore, the cost 'y' of x jerseys is:
Now we want to know the cost of 40 football jerseys, so we just have to replace x by 40 and solve:
Answer:
No Real Solutions
Step-by-step explanation:
So we have:
First, determine the domain restrictions. The expression under the radical cannot be less than 0. Therefore:
Therefore, our final answers must be greater than or equal to 3:
Now, going back to the original equation, subtract x from both sides:
Now, square both sides:
Distribute:
Subtract 4x and add 12 to both sides:
This isn't factor-able. Let's use the quadratic formula. a is 1, b is -4 and c is 12:
Substitute:
Simplify the radical:
The number under the radical is negative. In other words, there are no real solutions.