Answer:
Rachel earns $50 on Saturdays, and $58 on Sundays. She earns $8 more on Sundays.
Explanation:
If Rachel earns 12.5 dollars per hour on Saturdays and she works four hours then 12.5 dollars x 4 hours = $50, she earns $50 on Saturdays. If she earns 14.5 dollars per hour on Sundays and she works four hours then 14.5 dollars x 4 days = $58 on Sundays. This gives a difference of 8 dollars between Saturday and Sunday.