Question

1. lorna runs 50 kilometres in 2 hours and 30 minutes. calculate lorna’s average speed in kilometres per hour.

Explanation:

Step1: Convert time to hours

2 hours and 30 minutes = 2.5 hours (since 30 minutes = 0.5 hours)

Step2: Use speed formula

Average speed = $\frac{\text{Distance}}{\text{Time}}$ = $\frac{50}{2.5}$

Step3: Calculate the result

$\frac{50}{2.5}$ = 20

Answer:

20