7. Deborah invested $3000 into a fund that is expected to earn 8.2% per year. If you use the Rule of 72, about how long will it
1 answer:
Answer:
About 9 years
Step-by-step explanation:
The rule of 72 tells us that the amount of time it takes to double your investment is 72 divided by the interest rate.
<em>To get an approximation, we round of interest rate of 8.2% to 8% and then use the rule.</em>
Time =
For deborah's investment of $3000 to go to $6000, it would take around 9 years.
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now, notice the template above... now let's see your function
so.. what do you think was the shift then?
Answer: 1) 9 days
2) a)37.5%
b)50%
c) 33.33%
Step-by-step explanation:
1) - Let's call:
x: number of days the company supposed to finish the order.
- You know that the company had to produce 40 items daily, but it produced 20 items more daily and finished the order 3 days ahead of time. Therefore, you can express this as following:
- Solve for :
(The answer is 9 days)
2) a) The percent that belongs to three people if eight eight people share equally in an inheritance, can be calculated as following:
%
b) The percent that belongs to three people if six people share equally in an inheritance (because two of the people are disinherited) can be calculated as following:
%
c) - The increase goes from 1/8 to 1/6, therefore, you must subtract them:
- Divide the result by 1/8 and multiply by 100 to obtain the percent:
%