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cupoosta [38]
3 years ago
12

Suppose $7,558.20 in interest was earned after $12,350 was invested at a simple interest rate of 7.65%. How long (in years) was

the money invested?
Mathematics
1 answer:
vladimir1956 [14]3 years ago
5 0
The formula is
I=prt
I interest earned 7558.20
P principle 12350
R interest rate 0.0765
T time?
Solve the formula for t by dividing both sides by pr to get
T=I/pr
T=7,558.20÷(12,350×0.0765)
T=8 years

Hope it helps!
You might be interested in
Anna starts a fixed deposit with $178000, the bank offers 9.5% per year simple interest for 8 months. she has the option of rest
soldier1979 [14.2K]

Using simple interest, we have that:

A) The interest due after 8 months is $11,272.33.

B) The total value of the investment will be of $189,986.24.

The amount of interest earning using <em>simple interest</em>, after <u>t years</u>, with an <u>yearly interest rate of i</u> and an <u>initial investment of P</u> is given by:

E = Pit

In this problem:

  • Deposit of $178,000, hence P = 178000.
  • Interest rate of 9.5% per year, hence i = 0.095.
  • 8 months, the time is in years, hence t = \frac{8}{12} = \frac{2}{3}

Item a:

E = Pit

E = 178000(0.095)\frac{2}{3} = 11272.33

The interest due after 8 months is $11,272.33.

Item b:

For the second interest, we consider P = 11272.33, hence:

E_2 = Pit

E_2 = 11272.33(0.095)\frac{2}{3} = 713.91

The total value will be composed by:

  • The initial deposit of $178,000.
  • The first interest of $11,272.33.
  • The second interest of $713,91.

Hence, it will be:

T = 178000 + 11272.33 + 713.91 = 189986.24

The total value of the investment will be of $189,986.24.

A similar problem is given at brainly.com/question/13176347

3 0
3 years ago
Based on the graph, what are all of the solutions of x^3+x^2-9x-9=0
ZanzabumX [31]
The solutions of given equation are -3, -1, and 3
6 0
4 years ago
Evaluate. −27/125−−−−√3 A.-9/25 B.-3/5 C.9/25 D.3/5
Vladimir79 [104]
\sqrt[3]{\dfrac{-27}{125}} = -\sqrt[3]{\left(\dfrac{3}{5}\right)^{3}}=\dfrac{-3}{5}

The appropriate choice appears to be ...
   B. -3/5
7 0
3 years ago
Read 2 more answers
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eimsori [14]

Answer:

1. ratio - 1:4 (side to perimeter)

2. ratio - 4:1 (perimeter to side)

3. ratio - 1: 2 (radius to diameter)

Step-by-step explanation:

for 1. I just put 6/24 which simplies to 1/4. I tried the that with the rest and it equalled to 1/4

for 2. put 24/6 which is 4 (in fraction from 4 is 4/1)

for 3. 4/8 which equals to 1/2

4 0
3 years ago
Aunt Helen spent 15/7 hours baking pies for Thanksgiving dinner. How many full hours did she spend baking?
Aneli [31]
She spent about 2 full hours baking, so 2 hours, since it is theoreticly 2 1/7.
Hope this helps
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3 years ago
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