Answer:
There is no solution
Step-by-step explanation:


There is no solution
because 2=0 is not possible.
Answer:
108
Step-by-step explanation:
In 144 minutes, or at 5:19 pm, the trains will arrive at the same time again.
Answer:
3.5
Step-by-step explanation:
Well its easiest to just plug in the answers and see like 2 times 3.5 is 7.
Another way is saying 7 divided by 2 is 3.5
then u check to make sure its the same for all the numbers.
Which it is because 21 divided by 6 is also 3.5 :)