8. Maya and Angelo go to Marge's Donut Shop every Friday on the way to school. The shop sells donuts, muffins and coffee. A cup of
coffee costs $0.75 more than a donut. Maya buys 12 donuts and 2 cups of coffee which costs $19.
a. How much does 1 cup of coffee cost?
b. Angelo buys 6 donuts and 2 muffins which costs $12.50 total. How much does 1 muffin cost?