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borishaifa [10]
2 years ago
11

The probability that you randomly select a red marble from a group of 40 marbles is 7/20 . How many are red marbles?

Mathematics
2 answers:
Vladimir79 [104]2 years ago
7 0
14 i think. Since 7/20 is 35%, it’s 40-65%(100%-35%) and so it is 14 red marbles.
Masteriza [31]2 years ago
5 0
There are 14 red marbles
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Which number is prime?<br> A. 4<br> B. 10<br> C. 22<br> D. 31
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A bike shop has 11 1111 red bikes, 3 33 blue bikes, 4 44 orange bikes, and 12 1212 silver bikes. For every 1 11 orange bike, the
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Answer:

C. Silver bikes

Step-by-step explanation:

Given that:

Number of red bikes at the bike shop = 11

Number of blue bikes at the bike shop = 3

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Let us find the ratio of each bike with orange bikes to find the answer.

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<em>i.e. for every 1 orange bike, there are 3 silver bikes.</em>

<em></em>

Therefore, the answer is:

<em>C Silver bikes</em>

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