646
400-800 = -400
yes, 400 + 400 is 800
between 400 and 800
Forty palindromes.
796 - 387 = 800 - 390 = 800 - (400 - 10) = 800 - 400 + 10 = 400 + 10 = 410
400/800=0.5 0.5*100= 50 400= 50% of 800
400 is 50% of 800.
It is 400 to 800 n.m.
800 divided by 400 is two.
Four of them.
800
200 percent of 400 = 800200% of 400= 200% * 400= 200%/100% * 400= 800/1 or 800