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Alexxandr [17]
3 years ago
5

John and Alan have a collection of x baseball cards. John hasx4 cards. What fraction of the cards does Alan have

Mathematics
2 answers:
vesna_86 [32]3 years ago
7 0
The answer is 3/4
Hope this helps
Arisa [49]3 years ago
4 0
Alan has 75% of the cards.
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<h3>What is the weighed mean?</h3>

The weighed mean is given by the <u>sum of all elements in a data-set multiplied by it's weight, divided by the sum of the weights</u>.

In this problem, the weights are as follows:

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Hence, her weighed mean is given as follows:

M = \frac{2(65 + 62 + 60) + (61 + 96 + 80 + 89) + 4(65)}{6 + 4 + 4} = 68.6

Mara's average for the course was of 68.6.

More can be learned about the weighed mean formula at brainly.com/question/24398353

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