389.4
Explanation:
5 can't go into 1 so up an x on the top then 5 can go into 19 3 times 19-5=4 then bring down the 4 and 5 can go into 44 9 times then subtract 44-40 you get 4 then bring down then 7 then 5 can go into 47 9 times which equals 45 then subtract 47-45=2 your gonna have to add a zero and bring it down which leave you to 20-20