A bag contains 4 red marbles, 6 blue marbles, and 7 green marbles. What is the probability of choosing a blue marble when one marble is drawn?

Probabilty of selecting a blue marble if one marble is drawn

= 0.3529

Step-by-step explanation:

A bag contains 4 red marbles, 6 blue marbles, and 7 green marble.

Total number of marbles

=4 red+ 6 blue+7 green

= 17 marbles in total

Probabilty of selecting a blue marble if one marble is drawn

= Number of blue marble/total number of marble

Probabilty of selecting a blue marble if one marble is drawn

= 6/17

Probabilty of selecting a blue marble if one marble is drawn

= 0.3529

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.