No, because 7x9=63. Also, if you add the digits of 64, you get 10, which is not a multiple of nine.
9 can go into 64 seven times. 9*7=63.
64 ÷ 9 = 7 with remainder 1 or 7.11
9 goes into 576 64 times.
er
It is: 64+9 = 73
64 - 9 = 55
7 times with a remainder of 1
9 times with a remainder of 1
9, remainder 1
gcf of 9 and 64 is 1.
It is 64 times 9 = 576
9/8 of 64 = 72 64 * 9 / 8 = 72