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erastovalidia [21]
2 years ago
10

A woman bought a dress at a discount of 16 2/3%. If the woman paid $32.50, what was the original price of the dress?

Mathematics
1 answer:
Ostrovityanka [42]2 years ago
3 0

Answer:

$39

Step-by-step explanation:

Let original price be x, so we need to subtract 16 2/3 % from that to get 32.50

So we can write:

100x-16\frac{2}{3}x=3250\\83\frac{1}{3}x=3250\\x=39

So basically, the original price was $39.

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7. Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 6 hurricanes, 13
poizon [28]

Answer:

Step-by-step explanation:

Let us first generate the frequency table from the information given:

Hurricane number(X)       Frequency(f)                f(X)

6                                            9                                   54

8                                            13                                  104

12                                           16                                  192

14                                            12                                168

Total                                     ∑(f) = 50                          ∑f(x) =518

In order to determine the last frequency (the remaining years), we will add the other frequencies and subtract the answer from 50, which is the total frequency (50 years). This is done as follows:

Let the last frequency be f

9 + 3 + 16 + f = 50

38 + f = 50

f = 50 - 38 = 12

Now, calculating mean:

\bar {X} = \frac{\sum f(x)}{\sum(f)} \\\\\bar {X} = \frac{518}{50} \\\\\bar {X} = 10.36

Therefore mean number of hurricanes = 10.4 (to one decimal place)

7 0
3 years ago
Determine the # of rollovers and total cost # of rollovers
miv72 [106K]

Answer:

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7 0
2 years ago
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Alenkasestr [34]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Anuta_ua [19.1K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Krutika and Natasha win some money and share it in the ratio 3:4. Krutika gets £39. How much did Natasha get?
grin007 [14]

Answer:

22.28 Pounds

Step-by-step explanation:

Add 3+4=7

39 ÷ 7=5.57

Because Natasha has the ratio of 4 she would get

5.57 × 4=22.28

Answer=22.28

4 0
2 years ago
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