40
40 with 3 remaining 283 - 3 = 280 = 7 x 40
280/7 = 40
280
It is: +280
343 the way i see it u just do it like 4710+9*7 so 280+63=343
7 times 40 equals 280.
40 times 7=280
7 x 40 = 280
how many times can 7 go into 49? easy...
8 x 7 x 5 = 280
how many times can 364 go into 3057