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hammer [34]
3 years ago
15

A book fair has hardcover books for $8.75 and paperback books for $3.75. you and your friend spend the same amount, but he gets

all hardcover books and you get all paperback books. you are able to get 4 more books than your friend for the same price, how many paperbacks did you get?
Mathematics
1 answer:
mixas84 [53]3 years ago
5 0
You got 5 paperback books
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Given:

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horrorfan [7]

Answer:

p=\frac{181}{301}

Step-by-step explanation:

30100 have dogs, 18100 have cats.

The question simply asks for a union scenario thus the law of AND & OR is applicable.

Therefore:-Those who have both cats and dogs partially have cats.

P(X=both \ cat \ and \ dog)=\frac{18100}{30100}\\p=\frac{181}{301}

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77.98

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