8
algebra

A store marks up a $50 item by xx percent. The new price is $65. What is xx?

A

30

B

25

C

20

D

15

Correct Answer: A

Choice Dhoice C is the correct answer.

  1. Markup: 65−50=1565 - 50 = 15.
  2. Equation: 50(x/100)=1550(x/100) = 15
  3. Simplify: 0.5x=150.5x = 15
  4. Divide by 0.5: x=30x = 30

Choice Dhoice A is incorrect because calculation error.

Choice Dhoice B is incorrect because calculation error.

Choice Dhoice D is incorrect because calculation error.

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Linear Functions Set 34