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belka [17]
3 years ago
9

Melissa bought 2 CDs that each costs the same including sales tax, she paid a total of 29.20. Of that total 1.60 of it was tax.

What was the price of each CD before tax?
Mathematics
1 answer:
topjm [15]3 years ago
7 0

Answer:

$13.80

Step-by-step explanation:

You would subtract 1.60 from 29.20 to get 27.60. Then you would divide by two because there were two CDs and get $13.80

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Answer:

y = -1/4x - 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

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Slope-Intercept Form: y = mx + b

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Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Find slope </u><em><u>m</u></em>

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<u>Step 3: Write linear function</u>

y = -1/4x - 6

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OlgaM077 [116]

Let's see what to do buddy...

____________________________

Reminder:

(a + b)(a - b) =  {a}^{2} -  {b}^{2}

So we need to just Multiply above equations like this :

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(x + y)(x - y) = 70 \times 40

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Answer/Step-by-step explanation:

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