There is no way this is a middle school question
Half of n, is option D, n/2.
This is because if you divide something by 2, you are dividing it in half.
Hope this helps!
Answer:
Step-by-step explanation:
7x-11=-46
(7x-11)+11=-46+11
X = -5
Using proportions, it is found that it will take them 0.00248548 minutes to do one loop.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, according to their speed, in 60 minutes, they drive 300 miles. In how many minutes will they drive 20 m = 0,0124274 miles?
The <em>rule of three</em> is:
60 min - 300 miles
x min - 0.0124274 miles
Applying cross multiplication:



It will take them 0.00248548 minutes to do one loop.
More can be learned about proportions at brainly.com/question/24372153