What do you mean? Your answer wouldn't be 3.14, but you would need to use 3.14 in order to find the circumference of a circle.
Answer:
6mile + hour + 3.5 hours + miles
Step-by-step explanation:
add the expressions
If the can is 20oz and cost $25.40, the price per ounce would be:

price = $25.40
ounce = 20oz
so:

which comes out to be:
$1.27/oz
So each ounce of tomato sauce costs $1.27!