What is the simplest form of 5/6 divided by 1/2

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

What is the value of x enter your answer in the box (3x+50