Answer: A, C, and D all round to 5.6
Answer: 6
Solution: 2(4-3) + 2(5-3) = 8-6+10-6=6
Li can walk 6 miles. if you divide 135 and 45, you'll get 3. finally, if you multiply 2 and 3, you'll get 6. So, in total, Li walks 6 miles.
A and C should be the answer, hope this helps
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