Can someone please explain dividing fractions to me? Ive litterally had so much trouble with this stuff since 5th grade and its biting back at me as I get older... I really need to know how for a math test coming up soon so if someone could help that would be awesome! Thanks!

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.

The least common multiple is the multiple, other than 0, common to sets of multiples.