Respuesta :
the first one is 7/10 and the second one is 5/10
box 1 :
7 plain pencils, 3 pens...total of 10 writing utensils
box 2 :
5 color pencils, 5 crayons...total of 10 writing utensils
probability of choosing plain pencil from box 1 is : 7/10
probability of picking color pencil from box 2 is : 5/10 = 1/2
probability of both is : 7/10 * 1/2 = 7/20 or 35%
7 plain pencils, 3 pens...total of 10 writing utensils
box 2 :
5 color pencils, 5 crayons...total of 10 writing utensils
probability of choosing plain pencil from box 1 is : 7/10
probability of picking color pencil from box 2 is : 5/10 = 1/2
probability of both is : 7/10 * 1/2 = 7/20 or 35%