Answer:
35+30=65
Step-by-step explanation:
Answer:
9 hours
Step-by-step explanation:
If there's 4 people, they each need 1.5h So you multiply 1.5 by 6 and that's how you find how long it takes for 1 person.
Answer:

Step-by-step explanation:
Given that 
From the graph when 
Hence 
Now from the graph

The value would have x being equal to 3