It cost Abdul $6.42 to mail a 42 oz. package. Round to the nearest cent, what was his cost to mail per ounce?
A)$6.00
B)$1.50
C)$0.30
D)$0.15

Divide and round to the nearest tenth
$2.30 divided by 9
A)$25.56
B)$0.25
C)$0.26
D)$25.55

Jeanie's car averages 32 miles per gallon and the current cost of gasoline is $3.10 per gallon. To the nearest cent, what is the cost per mile?
A)$0.11
B)$0.10
C)$0.09
D)$0.08
(I wanna say B but i'm not sure)