Mathematics for IGCSE & O level - Rates (Section 1 - No. 20)
If a person earns $100 for working 8 hours, what is their hourly rate of pay?
$10/hour
$12.50/hour
$15/hour
$20/hour
คำอธิบาย
Hourly rate = Earnings / Hours; $100 / 8 hours = $12.50/hour. The given answer is incorrect, it should be $12.50