math
posted by smith .
To advertise their business, Toni and Mandy can either purchase flyers or email addresses. They can print, distribute and pay the postage of 3 million flyers for $450. Find the unit price for the flyers.

Divide:
450 / 3,000,000 = unit price 
Divide ... to find unit price.

Thanks for refreshing my memory, Writeacher.