Transcribed Image Text: (a) How many different collections of 50 coins can be chosen if there are at least 50 of each kind of coin?

23426

collections

(b) If the pile contains only 25 quarters but at least 50 of each other kind of coin, how many collections of 50 coins can be chosen?

20150

x collections

(c) If the pile contains only 40 dimes but at least 50 of each other kind of coin, how many collections of 50 coins can be chosen?

23140

X collections

(d) If the pile contains only 25 quarters and only 40 dimes but at least 50 of each other kind of coin, how many collections of 50 coins

can be chosen?

19864

X collections