Smith owns a retail store for selling phones. the phones are manufactured at three different factories: a, b, c. factory a, b, and c produces 20%, 40%, and 40% of the phone being sold at smith's store. the probabilities of the defective phones from all factories would be?

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.