77.20 i think i did it in my head and with a caluclator
Answer:x= -1 y= 2
Step-by-step explanation:
I’m not sure I jst solved it in my head
Answer:
c
Step-by-step explanation:
hope this helps
You could add the time it takes them individually together and divide by 2. That would give you the average, which is 1 hour.