Respuesta :
We know that 4 and below rounds down and 5 and above round up
That means she walked 3.5 miles her sister walked 1.2 miles
and her brother walked 0.9 miles
1.2+0.9=2.1
3.5-2.1=1.4
B about 1.4 miles
That means she walked 3.5 miles her sister walked 1.2 miles
and her brother walked 0.9 miles
1.2+0.9=2.1
3.5-2.1=1.4
B about 1.4 miles
Answer
B. About 1.4
Step-by-step explanation:
3.45 - 1.23 = 2.22
2.22 - 0.85 = 1.37
1.37 is closer to 1.4 then 1.2