Answer:
x and y
Step-by-step explanation:
Variables are always the numbers that're replaced with a letter. For example, in the equation:
2t+6
t would be the variable.
Hope this helps!! <3 :)
3600 meters 60 seconds would be 1440 traveled
and 1440 + 1440 + 720= <u>3600</u>
Hope this helps :)