Lizzy: Jame gets a raise to $20 per hour and works 40 hours a week. His old job was $16 an hour for 25 hours per week. How much more money does he make per year in his new job than the old job if he works 52 weeks a year?.
Me: Hmmm, let me think. I think this is the detailed solution:
He makes 20 * 40 = $800 per week. He used to make 16 * 25 = $400 per week. So his raise was 800 - 400 = $400 per week. So he makes 400 * 52 = $20,800 per year more. Final answer: 20800.