Maggie's brother is 11 years younger than three times her age. The sum of their ages is 41.
1 answer:
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To solve this problem you must apply the proccedure shown below:
1- To solve the logarithm expression , you must apply the following properties:
2-Keeping this on mind, you have:
3. Now, solve for :
4. If you susbtitute into the expression shown in the problem, you will see that it is invalid.
Therefore. the answer is: .
Answer:
Final answer is $1280.
Step-by-step explanation:
Given that $250 is invested at an interest rate of 10.3% for 40 years.
Now we need to determine the amount of that investment after 40 years.
It doesn't say anything about compounding period so I will consider that as simple interest.
Hence let's use simple interest formula:
Where amount invested = P = 250
rate of interest = R = 10.3% = 0.103
Time = T = 40 years
Now plug these values into above formula
Hence final answer is $1280.