The temperature rose from -5 degrees to 12 degrees . How much did it change?
I had a balance of $25 in my account. I then bought a $12 shirt and deposited a check for $40. How much do I have now?
The holding tank filled to 550 gallons. The family used 70 gallons to shower, 30 gallons for the washing machine, and 15 gallons for the dishwasher. How many gallons does it need to fill back up?