Annie brought nickels, dimes and quarters to the store. if she has at least one of every coin, they add up to $1.00, and annie has 15 coins total, what is the probability that one coin at random is a nickel? lots of points, and will give brainliest! !

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.