D
If you multiply 3 by 10 and add a zero onto the ten in the question that is 100 in half an hour, all you need to do then is multiply that answer by two to get your answer.
Answer: I'd assume its B 100 miles each day.
Step-by-step explanation:
Because 70 x 100 is 7,000 which is equal to the amount of miles stared in the question
Answer:
<h3>
a. 3x+15</h3><h3>
b. 4x-16</h3><h3>
c. 10x+2</h3><h3>
D. 7x-63y</h3>
solution,




Hope this helps..
Good luck on your assignment..
C May be the answer sorry if it is wrong.