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Andre45 [30]
3 years ago
9

All basketballs at a sporting goods store were marked down 25% during the first week of a sale. During the third week, all remai

ning basketballs were marked down an additional 30%. If a basketball was originally $22, how much does it cost during the third week?
Mathematics
1 answer:
QveST [7]3 years ago
4 0

Answer:

selling price= $9.9

Step-by-step explanation:

Giving the following information:

During the third week, all remaining basketballs were marked down an additional 30%.

Original price= $22

<u>To calculate the selling price in the third week, we need to use the following formula:</u>

<u></u>

selling price= original price*(1 - markdown)

selling price= 22*(0.45)

selling price= $9.9

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The z-score associated with 14.3 is 0.84.  0.2995 of the population is between 12.2 and 14.3.  0.1894 of the population is less than 10.0.

The formula for a z-score is

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