Marvy sold 65% of the raffle tickets for her fundraiser if she was given 60 tickets to sell how many has she sold

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?