Answer:
2 hours and 25 mins
sorry if i got the minutes wrong
Answer:
Here is your answer if thats is what you where asking for
Step-by-step explanation:
I really hope this helps! Look at the image I Uploaded.
It is related to econometrics, however using simple algebraic logic we can solve this problem. General formula with residual is

, where r is a residual. Plugging the pair into the formula, we obtain that

and r=0.5