The total runners who began the marathon is 1000
<u>Explanation:</u>
Given:
Runners who completed the marathon = 90%
Men = 30%
Number of men completed the marathon = 270
Total runners who began the marathon = ?
Let the total runners be x
According to question:
Runners who completed the marathon = 
= 0.9x
and,

Solving further:

Therefore, total runners who began the marathon is 1000
Answer:
A. To inform, to entertain, and to persuade
Answer:
D. commentary that connects the evidence to the reason.
Explanation:
Option D is the correct answer.
This is because an effective paragraph usually focuses on the main point and usually contain sentences that are are related to the subject matter. But they are given in order to expand.
The commentary that actually connects the evidence with the reason will improve the paragraph's effectiveness and give more explanation on the evidence. At the same time, the paragraph's main idea must not be eliminated in the course of the writing the paragraph.
The one that is a simple subject from the sentence above is : D. Genes
Simple subject is the main word in a group of words that basically tell what the sentence is all about. We can all agree that that sentence is talking about genes
hope this helps
heroes
Explanation:
usually in the myths and stories the main character was on some sort of journey to become a hero