Question

9. Ms. Barton determined that the

total cost of her wedding, c,
could be represented by the
equation c = 75n + 1500, where n
is the number of people
attending the wedding. If Ms.
Barton's wedding cost $8625,
how many people attended the
wedding?
A 135 B 95
C 115 D 75

Answer 1

B. 95

Explanation:

Plug in 8625 into the equation as c:

c = 75n + 1500

8625 = 75n + 1500

Solve for n:

7125 = 75n

95 = n

So, 95 people attended.

Answer 2

B

Explanation:

So we have the equation:

`c=75n+1500`

Where c represents the wedding cost and n represents the number of people who attended the wedding.

We know that the wedding cost a total of $8625. Thus, we can plug this number in for c and solve for n:

`8625=75n+1500`

Subtract 1500 from both sides. The right cancels:

`(8625)-1500=(75n+1500)-1500\\7125=75n`

Now divide both sides by 75:

`(7125)/75=(75n)/75\\n=95`

Thus, a total of 95 people attended the wedding.