Manuela wants to have $26,000 in 18 months. About how much should she put into an 18 month CD that earns simple interest of 5.6%
2 answers:
Answer:
Manuela should put $23,985.24 into an 18 month CD.
Step-by-step explanation:
Manuela wants to have $26,000 in 18 months CD that earns simple interest of 5.6% a year calculated semiannually.
Since it is simple interest so in 18 months (1.5 years) it will earn = 5.6 × 1.5 = 8.4%.
Formula for Simple interest
A = P( 1 + rt)
A = amount ( 26,000 )
P = Principal ( we have to find out )
r = Rate of interest in decimal 8.4% ( 0.084 )
t = time ( 1 )
Let the principal amount be x
Now we put the values in formula to find the value of x.
26,000 = x ( 1 + 0.084 × 1 )
26,000 = x ( 1.084 )
x =
x = 23,985.23985 rounded to 23,985.24
Manuela should put $23,985.24 into an 18 month CD.
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Answer:
so that number becomes divisible by 3, 6 and 9.
Step-by-step explanation:
In Number Theory there is a rule of thumb which states that sum of digits of a multiple of 3 equal 3 or a multiple of three. If we know that , then its sum of digits is:
(Eq. 1)
We have to determine which digits corresponds to multiples of three, there are four digits:
N = 0
(
)
N = 3
(
)
N = 6
(
)
N = 9
(
)
We get the following four distinct options: 154038, 154338, 154638, 154938. Now we find which number is divisible by 6 and 9 by factor decomposition:
It is quite evident that so that number becomes divisible by 3, 6 and 9.