Answer:
~30
Step-by-step explanation:
By using division, the answer is 29.34. If the question is asking to estimate, I would estimate the quotient as 30.
X, x+1, x+2, x+3 - four consecutive integers

The integers are 169, 170, 171 and 172.
354.9/9.1=39
So. elaine averaged 39 miles per gallon
A) Yes, the two events are independent because P(NF|PB) = P(NF).