You take a cab to a restaurant. The final bill of $31.72 included an 18% tip for the driver. What was the original bill?

What is the equation of the linear function represented by the table?

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

I’m still confused on how to work the percentages