12. x= 4
13. x= 4
14. x= -1
Check the steps in the picture above
The choice which describes the solution is; The solution is 5, which represents the number of miles she runs each day.
<h3>Word problems</h3>
According to the task content;
- The total distance covered running and cycling per day is; 20miles
- Additionally, she cycles a total of 105 miles each week.
From the statement above; it follows that;
The number of miles she cycles per day since 7 days make a week is;
Hence, it follows that the equation; (15+r) = 20 represents the daily distance covered by cycling and running.
On this note, it follows that;
Hence, The solution is 5, which represents the number of miles she runs each day.
Read more on word problems;
brainly.com/question/21405634
Answer: B
<u>Step-by-step explanation:</u>
There are 26 letters in the alphabet. D is the 4th letter, so there are 26 - 4 = 22 letters after D.
÷ 
= 
Answer:
5%
Step-by-step explanation:
2000/40000 = 0.05
All you do is divide both numbers and you'll get the decimal form which in this case is 0.05 which means 5%.
Answer:
x=6
Step-by-step explanation:
