The function shows that the cost of hotdogs is 1.75 and the cost of hamburger is 1.5.
<h3>How to calculate the information?</h3>
Let hotdogs = h
Let hamburger = x
The expression will be:
h + x = 3.25
h + 7x = 12.25
Subtract the functions
6x = 9
x = 1.5
Therefore, hot dogs will be:
= 3.25 - 1.5
= 1.75
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At a concession stand, one hot dog and one hamburger cost $3.25; one hot dog and seven hamburger cost $12.25. Find the cost of one hotdog and the cost of one hamburger.
Answer:
it goes up a by 5 everyday so it would be 19
Step-by-step explanation:
A circle shape is persevered regardless of any rigid transformation <span />
<span> For this case, the first thing we must do is define variables.
We have then:
x: number of devices.
Y: plan charge
For the current plan we have:
</span>

<span> For the new plan we have:
</span>

<span> Since we want the new plan to be smaller than the current plan, then we have:
</span>

<span> From here, we clear the value of x:
</span>

<span>
Answer: x <18 Note: The graph is correct</span>
Answer:
Jayanta needs 2 labor union groups and 8 church groups.
Step-by-step explanation:
Let c denotes churches
.
Let l denotes labor unions.
We know that Jayanta can only spend 20 hours letter writing and 14 hour of follow-up.
So, equations becomes:


And total money raised can be shown by = 
We have to maximize
keeping in mind that
and
We will solve the two equations:
and 
We get l = 2 and c = 8
And total money raised is
=
dollars.
Hence, Jayanta needs 2 labor union groups and 8 church groups.