Answer:
8.5 hours
Step-by-step explanation:
We know that it takes Nikki 1 hour to walk 4.2 miles.
We need to figure out how long it will take her to walk 35.7 miles.
This is our expression; 35.7 ÷ 4.2.
Let's go ahead and divide these two numbers.
(35.7 ÷ 4.2) = 8.5
So It will take Nikki 8.5 hours to walk 35.7 miles.
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Have an excellent day!