Step-by-step explanation:
b.) 8/7≈ 1.1
Final.) and then using the exponential decay formula, 18.1 will be left after
2(w+l)=21+2w
w+l=10.5+w
So l = 10.5
Answer: 67 miles per hour
Step-by-step explanation: where v is velocity, s is space and t is time;
= 67