josie and caitlin share sweets in the ratio 2:7 caitlin has 10 more sweets than josie how many sweets does caitlin have

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?