Answer:
31.5 hours
Step-by-step explanation:
time * speed = distance
speed=400/6=66.67 miles per hour
2100/(400/6)=31.5 hours
D. 3.14
hop this helps ^o^
Linear
7.5 lb/cu ft
75 lb / 10 cu ft = 7.5 lb/cu ft
878 gas
89=5=7=9
