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AVprozaik [17]
3 years ago
7

A box contains 3 plain pencils and 7 pens. A second box contains 9 color pencils and 3 crayons. One item from each box is chosen

at random. What is the probability that a pen from the first box and a crayon from the second box are selected? Write your answer as a fraction in simplest form.
Mathematics
1 answer:
Anastasy [175]3 years ago
3 0
P(P then C)=(7/10)(3/12)

P(PthenC)=21/120

P(PthenC)=7/40
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