Answer:
Step-by-step explanation:
2500+150x=3000+125x
150x-125x=3000-2500
25x=500
x=500/25
x=20 mo
----------------
2500+150*20=3000+125*20
5500=5500 total paid after twenty months
Hope this is helpful
Add 7 to both sidesx.
x>1
D
Answer:
7
Step-by-step explanation:
Answer:
The interest earned in 9 months is $25.45284
Step-by-step explanation:
The interest rate given by the bank = 4%
The rate at which the interest is applied = Quarterly
The amount of money deposited = $840
The formula for compound interest is given as follows;
![Compound \ interest = P \times \left [ \left(1 + \dfrac{r}{n} \right )^{t \times n} - 1\right ]](https://tex.z-dn.net/?f=Compound%20%5C%20interest%20%3D%20P%20%5Ctimes%20%5Cleft%20%5B%20%5Cleft%281%20%2B%20%5Cdfrac%7Br%7D%7Bn%7D%20%5Cright%20%29%5E%7Bt%20%5Ctimes%20n%7D%20-%201%5Cright%20%5D)
Where;
P = The principal = $840
r = The rate = 4% = 0.04
n = The number of times the interest is compounded per period = quarterly = 4
t = The time duration in period = 9 months = 3/4 × 1 year
Substituting the values gives the Compound interest C.I. as follows;
![C.I. = 840 \times \left [ \left(1 + \dfrac{0.04}{4} \right )^{\dfrac{3}{4} \times 3} - 1\right ] = 840 \times \left [ \left(1 + \dfrac{0.04}{4} \right )^{ 3} - 1\right ] = \$ 25.45284](https://tex.z-dn.net/?f=C.I.%20%3D%20840%20%5Ctimes%20%5Cleft%20%5B%20%5Cleft%281%20%2B%20%5Cdfrac%7B0.04%7D%7B4%7D%20%5Cright%20%29%5E%7B%5Cdfrac%7B3%7D%7B4%7D%20%20%5Ctimes%203%7D%20-%201%5Cright%20%5D%20%3D%20840%20%5Ctimes%20%5Cleft%20%5B%20%5Cleft%281%20%2B%20%5Cdfrac%7B0.04%7D%7B4%7D%20%5Cright%20%29%5E%7B%203%7D%20-%201%5Cright%20%5D%20%3D%20%5C%24%2025.45284)
The interest earned in 9 months = $25.45284.
Answer:
40
Step-by-step explanation:
Of means multiply
4% * 1000
Change to a decimal
.04*1000
40