5ml bottle oil equals 83 drops

Question

if a 5ml bottle oil equals 83 drops and the cost of oil is $30.00 how much does each drop cost ? Thank you

Answer 1

So if we have a bottle that costs $30, and we have 83 drops, that means our equation looks like:

30 dollars / 83 drops, because we're asked how much per drop

 

We end up with $0.36144...., and I'm sure you can round off from here.