Abox contains 3 plain pencils and 7 pens. a second box contains 3 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.
Box 1 : 3 pencils + 7 pens = total of 10 probability of picking a pen is 7/10
box 2 : 3 pencils + 3 crayons = total of 6 probability of picking a crayon is 3/6 which reduces to 1/2
probability of picking both is (7/10 * 1/2) = 7/20 <==
answered: Guest
20
step-by-step explanation:
answered: Guest
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