A jewelry company pays $100 for advertising and $5 per necklace they create. Each necklace

sells for $25. How many necklaces must the company sell in order for their expenses to equal
their revenue?
a) 125
b) 5
c) 150
d) 7

1 answer

Let x represent the number of necklaces sold.

Expenses = $100 (advertising) + $5x
Revenue = $25x

Set the expenses equal to the revenue:
$100 + $5x = $25x

Subtract $5x from both sides:
$100 = $20x

Divide by $20:
x = 5

Therefore, the company must sell 5 necklaces for their expenses to equal their revenue.

Answer: b) 5