Question

Aidan is a sales manager for a company that rents beach condominiums. Their sales for the first four days of this week were $8200, $9100, $9300, and $7400. What is the minimum sales Aidan’s team must achieve on Friday for the 5-day average to be at least $9000?

Options:
A. $7,000
B. $8,000
C. $9,000
D. $10,000

Answer 1

Aidan's team must achieve at least $11,000 in sales on Friday to meet the goal of a $9,000 average over 5 days as $10,000 would not be sufficient.

Step-by-step explanation:

To calculate the minimum sales on Friday to achieve a 5-day average of at least $9,000, you must first determine the total sales needed for the five days. The formula for an average is the sum of the values divided by the number of values. In this case, the formula would be:

1. Total Sales = Average × Number of Days
2. Since the desired average is $9,000 over 5 days:
3. Total Sales = $9,000 × 5 = $45,000
4. The current sum of sales for the first four days is:
5. $8,200 + $9,100 + $9,300 + $7,400 = $34,000
6. To find the minimum sales needed on Friday:
7. Minimum Friday Sales = Total Sales - Sum of Sales for Four Days
8. Minimum Friday Sales = $45,000 - $34,000 = $11,000
9. Therefore, the final answer is D. $10,000 is not enough; Aidan's team must achieve at least $11,000 in sales on Friday for the 5-day average to be at least $9,000.