10.5 are you crazy actually it is 10r3 not 10.5 thats a decimal these are two different people you made a mistake hon
10.5
6
some_number ÷ 6 = 63 → some_number = 63 x 6 = 378
63
6.3
63
81.0476
54.1667
362/63 = (62)2/63 = 64/63 = 6
63
63.1935
63/7+1*6