18 ÷ 4 = 4 with remainder 2
4.5 x 4 = 18 quarters
72 / 4 = 18
There are 18C4 = 18!/[18-4)!4!] = 18*17*16*15/(4*3*2*1) = 3060 combinations.
10*18 = 180
18
It is: 72/4 = 18
18 r375 divided by 4 equals 18 with a remainder of 3.
4 times with a remainder of 2 or 4.5 times
Besides 1 and itself (18) it has 4: 2,3,6,9.
4
72 ÷ 4 = 18
There are 18 elements in period 4.
4 and 1/2 times 18 ÷ 4 = 4½
There are 18 eighths. 2 and 1/4 = 9/4 = 18/8
3 times with remainder of 4
4 quarts in a gallon, so 18 gallons = 18 x 4 quarts = 72 quarts