29 (with a reminder of 2)
35
210
100 of them
22
27 threes are in 81
100
33.33... the threes never will end.
There are: 91/3 = 30 with a remainder of 1
43 ÷ 3 = 14 with remainder 1
As a decimal, 0.33... where the threes go on and on forever. As a percentage, 33.33.. where, again, the threes go on.
there are a ton of threes and it's 11 3s
There are four threes in a standard deck of cards.