Three times
3 times because 7+7+7=21
7 times
Three times.
21 times with a remainder of 7
Three times.
7 times with a remainder of 3
21 goes into 147 seven times.
Six (6.5238) times.
3 times with remainder 7
7.4884 times or 7 with remainder 21.
21 with remainder 7.
21, remainder 2