If u are asking what is 550 divided by 4/5 the answer is 687.5
550 and 80 can each be divided by 10.
9.1667
550 divided by 5750
1818.1818
91.6667
550 divided by 7 is 78.57 or 78 with remainder 4.
550 divided by 7 is 78.5714285714 or 78 with remainder 4.
1250ml
34.375
550
0.0145