Sara takes a 40 min bus ride home from her grandparents house which is 8km away. What is the average bus speed

Question

asked Jun 21, 2019 132k views

2 Answers

David Cahill · Answer 1 · 2019-06-22T17:47:06+0000

12 Km / hour

using the formula

average speed =
(distance)/(time) ( where time is in hours )

40 min =
(40)/(60) =
(2)/(3) hour

speed = 8 ÷
(2)/(3) = 8 ×
(3)/(2) = 12 Km / hour

Ashwin Kanjariya · Answer 2 · 2019-06-27T13:16:15+0000

Answer:

Average bus speed = 12 kmph

Explanation:

Distance from her grandparents house = 8 km

$\texttt{Time Sara took to travel = 40 min}=(40)/(60)=0.667hours$

We have

Distance traveled = Average speed x Time taken

$\texttt{Average speed}=\frac{\texttt{Distance traveled}}{\texttt{Time taken}}\\\\\texttt{Average speed}=(8)/(0.667)=12kmph$

Average bus speed = 12 kmph