Question

Molly walked 3.45 miles on a hike. Her sister walked 1.23 miles. Her brother walked 0.85 miles. Round each distance to the nearest tenth of a mile. About how much further did Molly walk than her brother and sister combined? A. about 1.2 miles B. about 1.4 miles C. about 2.2 miles D. about 2.4 miles

Answer 1

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

Answer 2

Answer:

B about 1.4 miles Hope this helps!! :)