Let x be the speed.
Maximum is 65 so x needs to be less than or equal to 65.
The minimum is 45, so x also has to be greater than or equal to 45
45 <= x => 65
You will have 40 minutes before it it’s 100% loaded
X=-y+10/7y
Here’s a picture on how I solve and got my answer
Answer: -1/5
Step-by-step explanation:
