3 years ago

I will give 30 points

Mathematics

2 answers:

user100 [1]3 years ago

7 0

Answer:

1.7r

Step-by-step explanation:

lana66690 [7]3 years ago

6 0

Answer:

B I THINK SORRY IF I'M WRONG

Step-by-step explanation:

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Lars deposited $50 into a savings account for which interest is compounded quarterly. According to the rule of 72, what interest

Ivanshal [37]

Answer: C 2.5%

Step-by-step explanation:

The "Rule of 72" is a easy way to calculate how much time an investment will take to double with a given fixed annual rate of interest.

Just we have to divide 72 by the annual rate of return(r), we can get a rough estimate of how many years it will take to double the initial investment .

Now, in given problem: Let 'r' be the rate of interest

Time to double the amount=29 years

Thus by rule 72 ,

$\frac{72}{r}=29\\\Rightarrow\ r=\frac{72}{29}=2.4827\%\approx2.5\%$