Answer:The speed stays the same as the car travels a distance of 40 miles in one hour.
Step-by-step explanation:
The meaning of “constant speed” is when the speed of an object remains the same speed, therefore it does not increase nor decrease, it stays at a constant speed.
All we have to do is add 1.5 GB per day times the 8 days that's already happened to the current 6 GB, and so it looks like this: 8(1.5)+6 12+6 18 GB at the beginning of the cycle