280/70 = 4
70 times.
280/5 = 56
40
1,120
280 times
4 x 70 = 280
51 goes into 280 5 times with remainder 25.
Well, honey, if you do the math, 12 goes into 280 a grand total of 23 times. That's right, 23 times. So, there you have it - simple division at its finest.
28 times
35 times.
It goes 11 times.