The answer is .5 :) because 3 is half of 6
Are you asking about the percent of change?if so the answer is 33.3%.
Answer: 40
Step-by-step explanation:
second train leaves 40 minutes after
Answer:

Step-by-step explanation:
7d – 4d – 3d – 5 = 6d
<em>(7d - 4d = 3d)</em>
3d - 3d -5 = 6d
<em>(3d - 3d = 0)</em>
0 - 5 = 6d
-5 = 6d
-5/6 = 6d/6
d = 
Hope this helps ^-^