55mph.
you can solve it using the equation distance=speed x time
your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours.
your equation would look like this
and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train.
Answer: True.
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
5 x 2 =10
10+6=16
16-1=15
Answer:
C
Step-by-step explanation:
Yes. All inputs are different.