contestada

A bag has 8 blue, 7 red, and 10 green marbles. What is the probability of drawing a blue or red marble?
a
2/5
b
3/5
c
15/20
d
7/10

Respuesta :

b 3/5
explanation:
8 plus 7 plus 10 equals to 25 for the denominator
you add 8 plus 7 to get 15 for the numerator
if you divide 15/20 you get 0.6 which is the same as 3/5 C