80 x 8 = 640
80 x 8 = 640
80 x 8 = 640
640 ÷ 8 = 80.
640 ÷ 8 = 80
80/640 times 100 = 12.5% or in reduced terms 1/8 times 100 = 12.5%
80% of 640 = 0.8 x 640 = 512
80
0.125
0.0125
80 160 240 320 400 480 560 640 720 800
8 x 8 = 648 x 80 = 6408 times with 3 remaining643 - 3 = 640 = 80 x 8