Martha sees bananas are on sale. Bananas are usually 3 dollars per bunch, but they are 1 dollar today. Martha wants 3 bunches of bananas because she is going to make banana bread. This would normally cost Martha 9 dollars, but today it costs Martha 3 dollars. Martha saved 6 dollars.
Martha also needs 2 bags of flour and 2 bags of sugar. Flour costs 3 dollars per 5-pound bag. Sugar costs 4 dollars per 5-pound bag. It costs 6 dollars for the flour and 8 dollars for the sugar. Together, they cost 14 dollars.
In total, Martha spends 3 dollars on 3 bunches of bananas, 6 dollars on 2 bags of flour, and 8 dollars on 2 bags of sugar. Martha pays 17 dollars for 7 items.
Paul and Sandra's Situation
Paul and Sandra go to a steak restaurant. The steaks are 2 dollars per ounce. A 12-ounce steak is 24 dollars. Paul and Sandra both want a 12-ounce steak. They pay 48 dollars for both steaks. Sandra puts 60 dollars on the table, leaving the 12 dollars in change as a tip for their waiter.
On the way home, they need to get gasoline for Paul’s car. Gas costs 3 dollars a gallon. He needs to get 15 gallons of gasoline. Paul must 45 dollars at the gas station. Paul pays 50 dollars and he gets 5 dollars of change back in change from the cashier.
Please answer the following questions of understanding: