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Ben and Jerry went for a drive. They decided to stop for a snack and have some ice cream. How fast did they drive on their way to the store?
A) 15 km/h
B) 30 km/h
C) 40 km/h
D) 60 km/h

Ben and Jerry went for a drive They decided to stop for a snack and have some ice cream How fast did they drive on their way to the store A 15 kmh B 30 kmh C 4 class=

Respuesta :

skyluke89

Answer: B) 30 km/h

Explanation:

The speed of Ben and Jerry on their way to the store is given by

[tex]v=\frac{d}{t}[/tex]

where

d is the distance they covered

t is the time they took

From the graph, we see that Ben and Jerry travelled for a distance of d=60 km in a time of t=2 h, so their speed is

[tex]v=\frac{60 km}{2 h}=30 km/h[/tex]

Answer:

They are driving at the speed of 30 km/h

Explanation:

From the graph it is clear that,

Total distance covered by Ben and Jerry, d = 60 km

The distance of 60 km is covered in 2 hours.

We have to find how fast they drive on their way to the store i.e their speed. We know that,

[tex]speed=\dfrac{distance}{time}[/tex]

[tex]s=\dfrac{60\ km}{2\ h}[/tex]

[tex]s=30\ km/h[/tex]

Hence, the correct option is (B) " 30 km/h ".

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