Answer:
6 seconds
Step-by-step explanation:
1/12 mile * 5280 feet/mile = 440 feet per train
50 miles/hour * 1/3600 hr/sec * 5280 ft/mile = 73 1/3 ft/second
one train has to travel 440 feet to pass the other train
440 feet * 1/(73 1/3) sec/ft = 6 seconds
C
x > y is the same like y < x
If a > b and b > c then a > b > c
If d > a then d > a > b > c
integer=8
negative fraction=1/2
positive fraction=1/9
negative decimal=0.4
positive decimal=0.8
