There are 9 threes in 28... with a remainder of 1 !
210
35
22
100 of them
33.3333333 3's go into 100
Fifteen. 3, 13, 23, 30, 31, 32, 33*, 34, 35, 36, 37, 38, 39, 43. Note 33 has two threes.
300
100
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
Forty-one, the two forty-threes and forty-seven are prime.
27 threes are in 81