If you are investing money, would you rather deposit into an account that earns simple interest or compound interest?

Mathematics

2 answers:

Citrus2011 [14]3 years ago

6 0

Answer:

Compound interest.

Step-by-step explanation:

-In compound interest, your money grows more rapidly as the interest already earned also earns a further interest over time for the term of the investment.

-While in simple interest, only the principal amount invested will earn interest over the investment's term>

#Let's say you invest $100 each in A(earning simple interest) and B(earning compound interest), take the term of both investments to be 5 yrs with both subject to an annual rate of 10%:

-Get the investment amounts in both accounts at the end of 5 yrs:

$\#A\\A=PRT+P\\\\=100\times 0.1\times 5+100\\\\=150\\\\\#B\\A=P(1+i)^n\\\\=100(1+0.1)^5\\\\=161.05$

Hence, you notice that your earn more in compound interest keeping all other conditions similar.

bonufazy [111]3 years ago

3 0

Answer:

compound interest

i took the test, and i got this one correct.

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Choose the inequality that describes the following problem.

Yuki888 [10]

Answer:

$x\geq 125$

Step-by-step explanation:

So first we have to find out the total number of points possible
So he took 5 tests each with a max score of 100 points, so that's 500 points total
The final test will be 150 points, so his whole grade is out of 500+150= 650 points
He has already scored 460 of those 650 points
Now how much must he get in the least, on the last test in order to make 90%?
Now we need to find what 90% of 650 points is
so $\frac{90}{100} *650=\frac{90*650}{100} =585points$
Then we ask ourselves, how much must we add to 460, to get 585 points? 585-460= 125 points
So Mark needs to get either 125 points or more on the next test to make 90% or more
Now let's say the letter $x$ means whatever grade number Mark gets on his next test
This number must not be less than 125, so it must be either equal to or greater than 125 points
So $x\geq 125$