9514 1404 393
Answer:
 3/11
Explanation:
The total number of coins is ...
 4 + 3 + 2 + 2 = 11.
The fraction of the collection that we're interested in is ...
 (number that are dimes)/(number of coins in the collection)
Of those 11 coins, 3 are dimes, so 3/11 of the coins are dimes.