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Krystal bought 2 shirts and a pair of pants. Each shirt costs 7.99. And the pants cost 12.49. She paid 4.5% tax on her total purchase. Krystal used a 20.00 certificat to pay for her purchase. How much additional did Krystal have to pay in cash.

2007-04-23 07:53:14 · 12 answers · asked by Anonymous in Education & Reference Homework Help

12 answers

Twice 7.99 plus 12.49. This total times 104.5% of the price (which is 100% of the price with an additional 4.5% tax) then subtract the $20 gift certificate.

[2(7.99) + 12.49](1.045) - 20

9.75115

Which is approximately $9.75
(or 9.76 if they decide to round up)

2007-04-23 08:01:11 · answer #1 · answered by suesysgoddess 6 · 1 0

(7.99 * 2) + 12.49 = 28.47

4.5% = 4.5/100 = 45/1000 = 0.045

To find the total with the tax already added in,
add 100% to the 4.5% sales tax.
You get 104.5% = 104.5/100 = 1.045

28.47 * 1.045 = $29.75

Subtract the $20 from the gift certificate
and you get $9.75 left to be paid in cash.

2007-04-23 08:02:35 · answer #2 · answered by tampasmiles 3 · 0 0

Add 7.99+7.99+12.49
=28.47
Multiply 28.47 by 4.5%
=1.28
Add 1.28 to 28.47
=29.75
Subtract 20 from 29.75
=9.75
Your answer is $9.75

You may want to double check my numbers, but the steps are correct.

2007-04-23 07:59:52 · answer #3 · answered by Esma 6 · 0 0

user-friendly, merely do the Distributive belongings, 3(x+4)-2(x+3) First you will would desire to do 3 x "x" and four so 3(x+4) will replace to (3x+12) And the two(x+3) will replace to (2x+6) Now you have (3x+12) - (2x+6) which will equivalent X=18 wish this helps!!

2016-12-26 20:54:24 · answer #4 · answered by Anonymous · 0 0

Add the cost of all the items. (this gives you the total of the items)
Multiply by 1.045 (this gives you the total plus tax)
subtract 20 (this gives you the answer)

2007-04-23 07:57:41 · answer #5 · answered by Mark B 5 · 0 0

$9.76
total purchase = $28.47
+Tax (4.5%) 1.281
Totoal cost of purchase = $29.76
- 20.00 (certificate)
Kristal had to pay $9.76

2007-04-23 08:23:43 · answer #6 · answered by evee 1 · 0 0

7.99 x 2=15.98
12.49
-------------------------------
total before 4.5% tax= 28.47

28.47 x 4.5%=1.28115
28.47 + 1.28= 29.75 -20 for the certificate , so you would pay an extra $9.75 in cash

2007-04-23 08:04:26 · answer #7 · answered by Dave aka Spider Monkey 7 · 1 0

It doesnt matter now,, because Krystal is DEAD!!!

2007-04-23 08:07:25 · answer #8 · answered by Passion12 1 · 0 1

$ 9.75

2007-04-23 08:03:49 · answer #9 · answered by Gizoku 3 · 0 0

$9.75

2007-04-25 12:46:27 · answer #10 · answered by silver_sea_stone 1 · 0 0

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