Answer:
Sam is incorrect because you would not add the two times together. Hence there being 2 people working it would take you guys less time. You would actually subtract the times to get 5 minutes
Step-by-step explanation:
Given
When t = 80
We substitute for t
Simplify
Simplify further
The final answer
3=3 infinity many solutions
12x+1=3(4x+1)-1
3x4x 3x1
12x+1=12x+3-2
+2 +2
12x+3=12x+3
-12x -12x
3=3