Answers to all the parts are discussed below.
We have an online electronics store which bought 24 keyboards and 15 phone chargers for $120 and then sold each keyboard for $35 and each phone charger for $15.
We have to determine -
- Which expression represents the amount of money the store made.
- Explain why your answer to Part A is correct.
- What is the value of the expression you chose in Part A with each step of your work.
If you bought 6 chocolates for $x and then sold them back at $y per chocolate, then your net profit will be ?
The net profit will be - 6y - x
According to the question -
Answer to Part A
Cost price of 24 keyboards and 15 phone chargers = $120
Selling price of 24 keyboards and 15 phone chargers =
$ (24 x 35 + 15 x 15)
Net profit = Selling Price - Cost Price = (24 x 35) + (15 x 15) - 120
Hence, Option 2 is correct answer for Part A.
Answer to Part B
The answer is correct because the selling price is greater than the cost price. If you bought something for $5 and you sold it to someone else for $10, then ultimately it is your profit in the end.
Answer to Part C
Net profit = 1065 - 120 = $945
Hence, all the parts are solved.
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