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Sever21 [200]
3 years ago
9

Amber has some state quarters in her pocket. She collects the following data by randomly pulling one quarter recordings the stat

e and then replacing it. Which is the best estimate of the number of times Amber would pull out a New York quarter if she pulled out a quarter another 300 times?
A 60
B 90
C 120
D 180
Mathematics
1 answer:
ch4aika [34]3 years ago
4 0
To do this problem, we need one more piece of information. He need to know the percent of the quarters that are from New York.

If you had that number, just multiply it by 300.

For example, if 10% of the coins were from New York, just multiply by 0.1.
0.1 x 300 = 30
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Well, to see if she can afford the skateboard, start by finding the discount and then finding the sales tax of that.

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15% ÷ 100 = 0.15

$139.99 x 0.15 = 20.9985, which can be rounded up to $21.

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No, she would not have enough money to buy the skateboard. With the discount alone, she could afford it, since $118 falls in her budget range, but with the added tax, it's 13 dollars over and she cannot afford the skateboard.

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