I think it is 21?
(21-3)times(7+4)
Answer: 21 feet. This is because if you multiply 3 feet in a yard times 7 yards, you get 21 feet.
2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x
divide 45 by 5 and multiply by 3 45 divided by 5 is 7 times 3 is 21.
7 times 3 is 21.
3 times what = 63
It is: 7 times 3 = 21
3 times 7 = 21 or 1 times 21 = 21
63 ÷ 3 = 21.
3 times 7...
the answer is 21 3 x 7 = 21
The number 3 can go in to 63 21 times. 63 divided by 3 equals 21.
10 oer 21 times 3:= 10/21 * 3= 30/21= 10/7 in fraction= 1.43 in decimal
3 x 7 = 21
21 times, with 3 left over.21 times with a remainder of 3
3 times 21