Question 6

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waecmaths question: 

Mr. Manu travelled from Accra to Panfokrom a distance of 720km in 8 hours. What will be his speed in m/s?

Option A: 

25m/s

Option B: 

150m/s

Option C: 

250m/s

Option D: 

500m/s

waecmaths solution: 

$\begin{align}  & 1000m=1km \\ & 3600s=1hr \\ & Speed=\frac{Distance}{time} \\ & speed=\frac{720\times 1000m}{8\times 3600s} \\ & Speed=\frac{200}{8}m/s \\ & Speed=125m/s \\\end{align}$

maths year: