Questions on Algebra: Percentage and Pie Charts answered by real tutors!

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Question 147212: Please help me setting this equation correctly. Highly appreciated.
A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
x= sales tax rate
x= 99.84-32(3)
x= 99.84-96
x= 3.84 % ????
Thanks for sharing your knowledge.: Please help me setting this equation correctly. Highly appreciated.
A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
x= sales tax rate
x= 99.84-32(3)
x= 99.84-96
x= 3.84 % ????
Thanks for sharing your knowledge.
Answer by jim_thompson5910(9217) (Show Source):
You can put this solution on YOUR website!
Let t=sales tax

If she bought one item at $32, then the total cost is

Multiply both sides by 3 (since she bought 3 pairs)

Replace 3c with the given total cost.

Distribute.

Subtract 96 from both sides.

Divide both sides by 96 to isolate t

So the answer is which means that the sales tax is 4%
Question 147212: Please help me setting this equation correctly. Highly appreciated.
A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
x= sales tax rate
x= 99.84-32(3)
x= 99.84-96
x= 3.84 % ????
Thanks for sharing your knowledge.: Please help me setting this equation correctly. Highly appreciated.
A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
x= sales tax rate
x= 99.84-32(3)
x= 99.84-96
x= 3.84 % ????
Thanks for sharing your knowledge.
Answer by mangopeeler07(442) (Show Source):
You can put this solution on YOUR website!
First, since you know the cost of one pair of jeans to be 32, then do 32x3. You should get 96. Then do the cost of jeans with the tax-the cost of jeans without the tax. 99.84-96, and get 3.84. You got up to this step very well. Good job. Now the rest is simple. All you have to do is put that (3.84) over the cost of the jeans without tax (96) and divide. 3.84/96=0.04. Move the decimal over to the right twice to get the percentage. Sales tax= 4%.