A box 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.

Question

Jonas Ramsey

Mathematics

27 January, 06:16

A box 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.

+4

Answers (1)

Know the Answer?

Hanna Bender · Answer 1

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 <==

A box contains3plain pencils and7pens. A second box contains3color pencils and3crayons. 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.

A box 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.