Question

Dorcas walks a distance of 18 km from home to school at a speed of 6km/h how long does she take to arrive at school?

Answer 1

`\bf \huge 3 \: hours`

Explanation:

Given that :

• Dorcas walks a distance of 18 km from home to school at a speed of 6km/h.

to find :

• how long does she take to arrive at school ?

formulas used :

• time = distance / speed

let us assume :

• time = t

explanation :

⟼ distance = 18 km

⟼ speed = 6 km/h

⟼ t = distance / speed

⟼ t = 18/6 h

⟼ t = 3h

⟼ time = 3 hours.

∴ dorkas take 3 hours. to arrive at school.

Answer 2

Time = distance / speed

Time = 18 km / 6 know

Time = 3 hours