Mathematics for IGCSE & O level - Rates (Section 2 - No. 25)
What is her rate of pay per hour if Jo receives $216 one week when she works 25 hours?
$8.64
$8.80
$9.00
$9.20
คำอธิบาย
Rate of pay = Total earnings/hours. $216 / 25 hours = $8.64 per hour.