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Mrac [35]
2 years ago
11

Hend bought a vacuum cleaner for LE 250 and sold it for LE 200, then

Mathematics
2 answers:
Vesna [10]2 years ago
8 0

Answer:

yes

Step-by-step explanation:

Irina-Kira [14]2 years ago
3 0

Answer:

80%

Step-by-step explanation:

250/2.5 would give you 100 then 200/2.5 would give you 80 so 200 is 80/100 of 250 or 80%

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A lottery consists of one $2000 winner, three $500 winners, and ten $100 winners. a total of 1000 tickets are sold for $10 each.
Semenov [28]

Answer: -5.5

 

WOKINGS

Given that the lottery has the following number of winners:

One $2000 winner

Three $500 winners

Ten $100 winners

 

Also Given,

A total of 1000 tickets are sold

Each ticket costs $10

 

The expected winning for a person purchasing one ticket is the sum of the products of the gain/loss and their corresponding probability.

 

There is one $2000 winner

There are 1000 tickets

The probability of winning $2000

= 1/1000

= .001

There are three $500 winners

There are 1000 tickets

The probability of winning $500

= 3/1000

= .003

 


There are ten $100 winners

There are 1000 tickets

The probability of winning $100

= 10/1000

= .01

 

Since each ticket costs $10

Everyone who buys a ticket automatically loses $10.

Therefore, the probability of losing $10 is 1

 

Now to calculate the expected winning for a person purchasing one ticket

= 2000(.001) + 500(.003) + 100(.01) – 10(1)

= 2 + 1.5 + 1 – 10

= -5.5

 

The expected winning is -5.5. This implies that a person playing this lottery can expect to lose $5.50 for every one ticket that they purchase. 

7 0
3 years ago
21/3+2 1/2 = <br><br> What is the answer
DedPeter [7]

Answer:

9 and 1/2

Step-by-step explanation:

3 0
2 years ago
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SpyIntel [72]

55

Step-by-step explanation:

4 0
2 years ago
First choice car charged $65 per day and 0.06 per mile. Best rent a car charges $48 per day and .10 per mile. How many miles mus
iVinArrow [24]

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425 miles

Step-by-step explanation:

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3 years ago
Lucy bought 6 notebooks for $15.30. What is the cost of a notebook, in dollars, if all the notebooks cost the same?
Margaret [11]

Answer: Each notebook cost $2.55

Step-by-step explanation:

You divide $15.30 by 6, which equals $2.55.

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2 years ago
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