Answer:
6 .Cant find the answer there
cos i had 3b( 9c +3a +c )
7. -3x -17y
100*2.2=220
80*2=176
220+176=396
So the two trains will take 2.2 hours so that they are 396 miles apart.
The answer is 216
Hope this helps
Answer:
12
Step-by-step explanation:
55 miles per hour, to answer questions like these you need to calculate the time (T=D/R) for each individual portion of the trip, add the time together to get total time, and then divide the total distance by the total time in order to get the average velocity in mph.