700 and 750
50 + 5643 - 732 = 4,961
323 684
The answers depend on the extent of rounding: to the nearest 10, the nearest 50, the nearest 100?
DCLXXXIV===684 D =500 C=100 L=50 X=10 V=5 I=1
50 or so
50
50
50
47 rounded to the nearest 10 is 50.
50
The number 50 is already a multiple of 10, so when rounded to the nearest ten, it remains 50.
282.34 rounded up to the nearest 50 is 300.