Aria is investing $6,700 of her savings from her summer job for her college fund. She is planning to invest the amount for 3 years and can choose between simple interest at 6.5% and compound interest at 6%. Find the difference between the two interest earning types to help Aria decide which investing option is best for her.(1 point) Responses Aria should invest with 6% compound interest because it will result in $86.76 more in interest earnings. Aria should invest with 6% compound interest because it will result in $86.76 more in interest earnings. Aria should invest with 6.5% simple interest because it will result in $187.26 more in interest earnings. Aria should invest with 6.5% simple interest because it will result in $187.26 more in interest earnings. Aria should invest with 6.5% simple interest because it will result in $26.69 more in interest earnings. Aria should invest with 6.5% simple interest because it will result in $26.69 more in interest earnings. Aria should invest with 6% compound interest because it will result in $73.81 more in interest earnings.
11 answers
For compound interest, we can use the formula:
A = P(1 + r/n)^(nt)
Where:
A = the future value of the investment/loan, including interest
P = the principal investment amount (the initial deposit or loan amount)
r = the annual interest rate (decimal)
n = the number of times that interest is compounded per year
t = the number of years the money is invested for
Using the given values, we have:
P = $6,700
r = 6% = 0.06 (decimal)
n = 1 (compounded annually)
t = 3 years
A = 6700(1 + 0.06/1)^(1*3)
A = 6700(1 + 0.06)^3
A ≈ $6,700(1.191016) ≈ $7,984.81
So, with compound interest at 6%, Aria would have $7,984.81 after 3 years. The interest earned would be $7,984.81 - $6,700 = $1,284.81.
For simple interest, we can use the formula:
A = P(1 + rt)
Using the given values, we have:
P = $6,700
r = 6.5% = 0.065 (decimal)
t = 3 years
A = 6700(1 + 0.065*3)
A ≈ $6,700(1.195) ≈ $7,996.50
So, with simple interest at 6.5%, Aria would have $7,996.50 after 3 years. The interest earned would be $7,996.50 - $6,700 = $1,296.50.
Now, we can find the difference between the two interest earnings:
Difference = compound interest - simple interest
Difference = $1,284.81 - $1,296.50
Difference ≈ -$11.69
The difference between the two interest earning types is approximately -$11.69. However, since the options provided do not match this value, it seems that there was an error in the calculation of the options.
Aria should invest with 6% compound interest because it will result in $86.76 more in interest earnings.
Aria should invest with 6.5% simple interest because it will result in $187.26 more in interest earnings.
Aria should invest with 6.5% simple interest because it will result in $26.69 more in interest earnings.
Aria should invest with 6% compound interest because it will result in $73.81 more in interest earnings.
For compound interest, we can use the formula:
A = P(1 + r/n)^(nt)
Where:
A = the future value of the investment/loan, including interest
P = the principal investment amount (the initial deposit or loan amount)
r = the annual interest rate (decimal)
n = the number of times that interest is compounded per year
t = the number of years the money is invested for
Using the given values, we have:
P = $6,700
r = 6% = 0.06 (decimal)
n = 1 (compounded annually)
t = 3 years
A = 6700(1 + 0.06/1)^(1*3)
A = 6700(1 + 0.06)^3
A ≈ $6,700(1.191016) ≈ $7,984.81
So, with compound interest at 6%, Aria would have $7,984.81 after 3 years. The interest earned would be $7,984.81 - $6,700 = $1,284.81.
For simple interest, we can use the formula:
I = P * r * t
Using the given values, we have:
P = $6,700
r = 6.5% = 0.065 (decimal)
t = 3 years
I = 6700 * 0.065 * 3
I ≈ $1,294.50
So, with simple interest at 6.5%, Aria would have $6,700 + $1,294.50 = $7,994.50 after 3 years. The interest earned would be $1,294.50.
Now, we can find the difference between the two interest earnings:
Difference = compound interest - simple interest
Difference = $1,284.81 - $1,294.50
Difference = -$9.69
The difference between the two interest earning types is approximately -$9.69.
Aria should invest with 6% compound interest because it will result in $86.76 more in interest earnings.
Aria should invest with 6.5% simple interest because it will result in $187.26 more in interest earnings.
Aria should invest with 6.5% simple interest because it will result in $26.69 more in interest earnings.
Aria should invest with 6% compound interest because it will result in $73.81 more in interest earnings.
$15.98
12.98
$3
$14.48
Therefore, the total price when two medium one-topping pizzas are purchased with the incentive is $12.98.
1. 25% off all desktops with a regular price of $200 or more:
The discount amount can be calculated by multiplying the regular price by the discount rate, which is 25% or 0.25.
Discount = $299 * 0.25 = $74.75
To find the final price, we subtract the discount amount from the regular price:
Final Price = $299 - $74.75 = $224.25
2. $70 rebate on any purchase of $200 or more:
In this case, the rebate amount is fixed at $70, regardless of the purchase price.
To find the final price, we subtract the rebate amount from the regular price:
Final Price = $299 - $70 = $229
Comparing the final prices, the better incentive is the one that results in the lower price. Therefore, the final price after the discount from the better incentive has been applied is $224.25.
1. 25% off all desktops with a regular price of $200 or more:
The discount amount can be calculated by multiplying the regular price by the discount rate, which is 25% or 0.25.
Discount = $299 * 0.25 = $74.75
To find the final price, we subtract the discount amount from the regular price:
Final Price = $299 - $74.75 = $224.25
2. $70 rebate on any purchase of $200 or more:
In this case, the rebate amount is fixed at $70, regardless of the purchase price.
To find the final price, we subtract the rebate amount from the regular price:
Final Price = $299 - $70 = $229
Comparing the final prices again, the better incentive is the one that results in the lower price. Therefore, the final price after the discount from the better incentive has been applied is $224.25. I apologize for the confusion in my previous response.