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jek_recluse [69]
3 years ago
15

In a sale, there is 25% off all prices . all chair costs 90 pound in the sale

Mathematics
1 answer:
siniylev [52]3 years ago
7 0

Answer:

The answer is 120 pounds

Step-by-step explanation:

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aleksklad [387]

Answers:

  1. Exactly 25%
  2. median = 450
  3. Not enough info (see below)
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Explanations:

  1. By definition, the quartiles split the data into four equal parts. The first quartile (Q1) will have 25% of the data below it.
  2. The second quartile is the exact same value as the median. This is because the median splits the data into two equal halves, i.e. is at the midpoint.
  3. There's not enough info. We can determine that 25% of the company makes more than $60,000, but we don't know how many people total work at the company. This info is missing.
  4. Subtract the third and first quartiles (Q3 and Q1) to get the interquartile range (IQR). So IQR = Q3 - Q1 = 45-21 = 24
  5. Same idea as the previous problem. IQR = Q3 - Q1 = 316.5 - 124.5 = 192
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2 years ago
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If you add six to twice a number, the result is sixteen. what is the number?
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