y=2x+5
2(2x+5)+4x=10
4x+10+4x=10
8x=20
So there's one solution, x=2.5
Speed= distance/time.
6.4/4.
1.6 meters per minute.
<h3>Answer: Choice B) Inverse of the original</h3>
This question has been previously answered here
brainly.com/question/17593667
Let me know if you have any questions.