Answer:
28
Step-by-step explanation:
You multiply 7 and 8, and then divide it by two.
Length of train : 100
length of bridge : 400
distance covered by the train to cross the bridge : (100 + 400) = 500
time taken by the train to cross : 30
speed = distance / time
speed = 500/30
speed = 16.67 meters per second <===
Answer:
Blue: 2/3
Purple: 1/3
Step-by-step explanation:
You have a total of 3 possible sections.
For blue, we have 2 out of 3 sections. The probability is 2/3.
For purple, we have 1 out of 3 sections. The probability is 1/3.
To obtain a more accurate answer! :)
