Answer:

Step-by-step explanation:
<em>See comment for complete question</em>
Given
30% in 12 minutes
Required
Time to complete the homework
From the question: m represents the required minutes
This implies that:

Convert to decimal


Hence:
The equation is: 
The answer will be number 2
11/3 is the same as 11 divided by 3 so that wiuld be 3 remander 2 so it would be 3 2/3
2 4/8 x 3 = 7 4/8
11 3/8 - 7 4/8 = 3 7/8 miles from the end