210
There are 9 threes in 28... with a remainder of 1 !
22
100 of them
300
33.3333333 3's go into 100
100
27 threes are in 81
There are ten threes in 30, and 27 is three less than that So there are 9 threes in 27 multiply both by to there are 90 threes in 270
43 ÷ 3 = 14 with remainder 1
33.33... the threes never will end.
There are: 91/3 = 30 with a remainder of 1