Janina spends $30 each day for rent and uses $12 worth of supplies daily to run her pancake stand. If she sells each pancake for $2, how many pancakes must Janina sell each day to cover her expenses?
Janina spends $30+$12=$<T>add(30, 12)=42 each day for her pancake stand.
She must sell $42/$2=<T>divide(42, 2)=21.0 pancakes each day to cover her expenses.
