Astock that was selling for $48 a share split 2-for-1. before the split, the company had 3.4 million shares of stock outstanding. what is the post-split number of shares outstanding?

If 25% of y is 30, what is 60% of y?

Can someone answer this question for me

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?