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CAN SOME ONE CHECK MY ANSWER? A jar holds 42 yellow and 14 purple crayons. A crayon is pulled out of the jar at random and then placed back in the jar. How many times can you expect that a purple crayon
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Jan 12, 2016
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CAN SOME ONE CHECK MY ANSWER?
A jar holds 42 yellow and 14 purple crayons. A crayon is pulled out of the jar at random and then placed back in the jar.
How many times can you expect that a purple crayon will be pulled out of the jar in 140 tries?
A.
14
B.
20 <==
C.
35
D.
47
Mathematics
middle-school
JeffK
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No because it is 35 So i think it is C
Hope this helps
Zmike
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Jan 13, 2016
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Zmike
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No, the answer is 35. Set up a proportion 14(purple)/56(total) equals x/140(tries)
14 times 140 =1960. 56 times x= 56x. Then divide 1960 by 56x to find x=35 which is the answer
Louis Davis
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Jan 17, 2016
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Louis Davis
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