A company manfactures an alarm clock. Three weeks ago the company had 250 on hand. Two weeks from now it will have 500. Assume the company will continue to make the clocks at the same rate.

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To determine the company's current rate of manufacturing alarm clocks, we first need to calculate the average number of clocks produced per week.

Step 1: Determine the change in quantity over the three-week period.
The change in quantity is calculated by subtracting the number of alarm clocks on hand three weeks ago from the number of alarm clocks on hand two weeks from now.
Change in quantity = Number of clocks two weeks from now - Number of clocks three weeks ago
Change in quantity = 500 - 250 = 250

Step 2: Determine the average number of clocks produced per week.
To calculate the average number of clocks produced per week, divide the change in quantity by the number of weeks.
Average number of clocks produced per week = Change in quantity / Number of weeks
Average number of clocks produced per week = 250 / 3 = 83.33 (rounding to two decimal places)

Therefore, the company is manufacturing alarm clocks at an average rate of approximately 83.33 clocks per week.