Respuesta :
i hope this helps you
3 1/8=3.8+1/8=25/8
25/8-4/7
25.7/8.7-4.8/7.8
175-32/56
143/56
2 31/56
3 1/8=3.8+1/8=25/8
25/8-4/7
25.7/8.7-4.8/7.8
175-32/56
143/56
2 31/56
The answer is (c) 2 1/2 as 4/7 is rounded to 1/2 and 3 1/8 is around 3. 3-1/2=2 1/2