Answer:
2 miles
Step-by-step explanation:
Their combined speed (speed of closure) is 80 mph + 40 mph = 120 mph.
120 mi/h = 120 mi/(60 min) = 2 mi/min
The distance between the trains at the 1-minute mark is ...
(1 min) · (2 mi/min) = 2 mi
They were warned when two miles apart.
Answer:
566
Step-by-step explanation:
566
Answer:
The answer is 10.
Step-by-step explanation:
Answer:
2000
Step-by-step explanation:
1km=1000m
2km=2000m
X-3y=-5
-(x+3y=1)
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-6y=-6
y=1
x=-2