3 times because 7+7+7=21
160 ÷ 21 = 7 with remainder 13 OR 7.619 times.
1, 3, 7 and 21. Four numbers.
21 times with a remainder of 7
Three times.
7 times
Three times
21 feet.
21 goes into 147 seven times.
21 goes into 165 7 times with 18 remaining 165 - 18 = 147 = 21 x 7
Just divide it, to get 21
21, remainder 2