Answer:
490÷ 28 = 17.5
28 can only go into 49 once
so put a 1 at the top over 4
and put 28 under 49 where then you have to subtract it
which equals 21
bring the 0 down next to 21 making it 210
28 goes into 210 7.5 times
so there for your answer is 17.5