Need help with word problem “Lee currently spends $3.25 a day on coffee and $6.99 on lunch. He wants to create a food budget to save money, so he buys a coffee maker for $22.00 to make his own coffee. He also begins spending an average of $3.75 a day to buy food to make his lunch. With his new budget, how much money does Lee save at the end of 30 days”