Question

Please help 3 and 4 btw question 4 answers are

A. 2.3 hours
B. 3.0 hours
C.4.3 hours
D. 5.0 hours

Answer 1

Number 3 is B. And number 4 is A.

Answer 2

Hello :D!
Answer:

3.
B) 50

4.
A) 2.3 hours