You work as a sales clerk at a fashion boutique. The store is having a 20 percent off everything sale. Additionally, your manager wants you to mark down a stack of jeans from the sale price by 20 percent more. The original cost of the jeans is $30.00, and you calculate the final sale price to be $18.00.
Your Calculation:
30.00 * [1 - (0.20 + 0.20) ]
30.00 * 0.60
18.00
Is there a mistake in the calculation? If so, Identify the mistake.
A) yes, added 20% offs
B) yes, a subtraction mistake
C) yes, a multiplication mistake
D) no mistake, the calculation is correct
E) yes, a decimal placement error
+5
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Home » Mathematics » You work as a sales clerk at a fashion boutique. The store is having a 20 percent off everything sale. Additionally, your manager wants you to mark down a stack of jeans from the sale price by 20 percent more. The original cost of the jeans is $30.