8,000
You find this by dividing 640,000 by 80.
640,000 / 80 = 8000
80
80/A
1000000\640000=1.5625 640000\1000000=0.64
90 times 80 = 7200
53 times 80 equals 4240.
80 x 8000 = 640000
720/80 = 9
It equals: 7,200
240 feet equals 80 yards, because 3 feet equals 1 yard. 80 times 3 equals 240. (8 times 3 equals 24, and you just add a zero.)
4 x 20 = 80
80 times 0.55 equals 44
30 x 80 = 2400