Answer:
12
Explanation:
Because we can divide 45 and 4 and we get 11.25
Now we know that one hour is 11.25 miles. So just divide 135/11.25
and you get 12
im pretty sure thats the correct answer. Hope this helps
n = 12
I assume in problem 4 the relation between miles and hours is proportional.
Set up a proportion.
45 miles is to 4 hours as 135 miles is to n hours.
45/4 = 135/n
Cross multiply.
45n = 4 × 135
n = 4 × 3
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