Sally has been running the following number of ads in the local newspaper to help attract customers into her store. She has also been keeping track of customers who have come into the store as a...

Extracted text: Sally has been running the following number of ads in the local newspaper to help attract customers into her store. She has also been keeping track of customers who have come into the store as a result of the ads, as well as the amount of money they spend. This is the data from the last 4 weeks: Increased sales 330 Number of ads 16 12 270 18 380 14 300 i. Determine the equation that relates ads and increased sales. i. If Sally runs 15 ads, how much will sales increase?