15.
In Store A, a book that regularly sells for $24.99 is on sale at 15% off. In Store B, the same book regularly sells for $27.99 and is on sale at 25% off. Which store sells the book for the lower sale price? (1 point)
Store A; Store A’s sale price is $18.74, and Store B’s sale price is $23.79.
Store A; Store A’s sale price is $18.74, and Store B’s sale price is $20.99.
Store B; Store A’s sale price is $21.24, and Store B’s sale price is $20.99.
Store B; Store A’s sale price is $21.24, and Store B’s sale price is $23.79.
16.
Find the final balance in an account with $730 invested at 3% annual simple interest for 4 years. (1 point)
$735.48
$87.60
$817.60
$8,760.00
My answers:
15. Store B; Store A’s sale price is $21.24, and Store B’s sale price is $20.99.
16. How can I find the balance of the account when the problem only gives me the equation for the simple interest?
16.
15. is correct
16.
I = PRt
I = 730 * 0.03 * 4
16) you are given 730...so add the interest to it
15) correct
saucy
To find the final balance in an account with simple interest, you can use the formula:
Final balance = Principal + (Principal * Interest Rate * Time)
In this case, the principal is $730, the interest rate is 3% (or 0.03 as a decimal), and the time is 4 years. Plugging the values into the formula, we get:
Final balance = $730 + ($730 * 0.03 * 4)
Final balance = $730 + ($87.6)
Final balance = $817.60
Therefore, the final balance in the account after 4 years of 3% simple interest is $817.60. So, the correct answer is option C: $817.60.