7 R 8
80-9 = 71
9 ÷ 100 × 71 = 6.39
It is: 71/9 = 7 and 8/9
9 with remainder 24.
9 with remainder 4.
There are: 640/9 = 71 with a remainder of 1
Well, honey, 31 goes into 71 two times with a remainder of 9. So, technically, 31 goes into 71 two times, but it doesn't fit perfectly, leaving a little extra 9 hanging out on the side. Math can be a real party pooper sometimes, can't it?
71
71/9
There are 71(seventy-one) 9's in 639(six hundred thirty-nine.)
71 is not a multiple of 9, but 27, 54, and 72 are multiples of 9.
71 times with a remainder of 1