If you drive 756 miles in 12 hours , then at the same rate , how many miles will you drive in 5 hours

: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?

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?