To calculate how much you earn on a 7.5-hour shift on a Saturday with an additional 25% pay rate:

1. Base hourly rate: $24.08
2. Additional Saturday pay: 25% of $24.08 = $0.25 \times 24.08 = 6.02$
3. Saturday hourly rate: $24.08 + 6.02 = 30.10$
4. Earnings for 7.5 hours: $30.10 \times 7.5 = 225.75$

So, you will earn $225.75 for a 7.5-hour shift on Saturday.

Would you like more details or have any questions?

Here are 5 related questions for further practice:

1. What would your earnings be for an 8-hour Saturday shift?
2. How much would you earn if your base rate increased to $26 per hour on a Saturday shift?
3. What is your total weekly earnings if you worked 40 hours during weekdays and a 7.5-hour shift on Saturday?
4. How much more do you earn on a Saturday compared to a regular weekday for a 7.5-hour shift?
5. If your Saturday shift was reduced to 6 hours, how much would you earn?

Tip: Always check how percentage increases affect your hourly wage when working on special days like weekends or holidays.