Question

643=4 x 160+n write what n represents in the related division problem

Answer 1

643 = 4(160) + n
643 = 640 +n
643 - 640 = 640 - 640 + n

3 = n

n=3

hope this helps

Answer 2

643=4 x 160+n
643= 640+n
-640 -640
3=n