Tyler's earns a commission. He makes 4% of the amount he sells. Last week, he sold $900 worth of shoes. How much was his commission? Explain your thinking.

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.