Question

You decide you will buy a stock only if it shows an overall increase over the next 30 days. In the first 10 days, the stock you chose has an increase of $0.30 per day. The next 10 days, it has a decrease of $0.45 per day. The last 10 days, it has an increase of $0.25 per day.
What was the total amount the stock increased over the first 10 days? You must show your work to receive all possible points.
What was the total amount the stock decreased over the next 10 days? You must show your work to receive all possible points.
What was the total amount the stock increased over the last 10 days? You must show your work to receive all possible points.
What was the total amount the stock changed over 30 days? You must show your work to receive all possible points?
Would you buy the stock based on the criteria of only buying if it shows an overall increase over the 30 day period? Explain why or why not in complete sentences.

Answer 1

1. The total amount the stock increased over the first 10 days was $3.

2. The total amount the stock decreased over the next 10 days was $4.50.

3. The total amount the stock increased over the last 10 days was $2.50.

4. The total amount that the stock changed over 30 days was a $1.00 increase ($3 - $4.50 + $2.5).

5. I would buy the stock based on the criteria of an overall increase over the 30-day period since it actually increased by $1.00.

Data and Calculations:

Increase in the first 10 days = $0.30 per day

Total increase in the first 10 days = $3 ($0.30 x 10)

Decrease in the second 10 days = $0.45 per day

The total decrease in the second 1-0 days = $4.50 ($0.45 x 10)

Increase in the last 10 days = $0.25 per day

The total increase in the last 10 days = $2.50 ($0.25 x 10)

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