Homework Help: 7th grade math Ms. Sue last two questions thanks

Posted by Delilah on Wednesday, December 5, 2012 at 6:58pm.

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.

7th grade math Ms. Sue last two questions thanks - Ms. Sue, Wednesday, December 5, 2012 at 7:08pm
15. is correct

16.

I = PRt
I = 730 * 0.03 * 4
7th grade math Ms. Sue last two questions thanks - Mac, Wednesday, December 5, 2012 at 7:11pm
16) you are given 730...so add the interest to it

15) correct

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