You and add cause this sound like a problem where you add
Answer:
Two lines or shapes that lie exactly on top of each other. Example: these two lines are coincident, only you can't see them both, because they are on top of each other.
Step-by-step explanation:
Two trips a day for 5 days = 10 trips
(3/10)(10)= 3 miles
C because PEMDAS
(Please excuse my dear aunt sally)