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Mathematics 19 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

@Acutehotbabe

OpenStudy (anonymous):

@jrain35

OpenStudy (yanasidlinskiy):

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 out your answer=)

OpenStudy (anonymous):

Thank you :D

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