The amount of time required to travel a certain distance is equal to quotient of distance and speed. We let x be the speed of Terry and Mark's will be x+2. The equation that would best represent the scenario is,
15/x = 21/(x+2)
The value of x is 5. Thus, Mark's speed is 7 mph.
Answer:
Step-by-step explanation:
4×22/7×2.6^2=85.0cm
If i'm correct, the answer should be 32,918 because 5+4=9 and thus, 32,518+400=32,918
