Final answer:
To find the cost of each necktie at full price (f), we can set up the equation 7f = $147 and solve for f. The cost of each necktie at full price is $21.
Step-by-step explanation:
To find the cost of each necktie at full price (f), we can use the equation:
f = x + $8
where:
- f is the cost of each necktie at full price
- x is the discounted price of each necktie
In this case, the student purchased 7 neckties and paid a total of $147. So, we can set up another equation:
7f = $147
Solving the equation, we find that each necktie at full price costs $21.