Question

a truck driver drive his truck to a distance of 120 km in 2 hour in 30 minutes,what is his speed​

Answer 1

Answer:

48 km/he

Explanation:

distance = 120km

Time = 2 hrs 30 min = 2.5hrs

So , speed = distance / time

= 120 / 2.5

= 48 km/hr

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Answer 2

Given:

• The driver drives the distance $120km$.
• The time taken by the driver is $2$ hours $30$ minutes.

To find:

• The speed of the truck.

Step-by-step explanation:

• The driver has covered the distance $120km$.
• Let the distance he covered be $d$.
• So the value of $d$ is,

        $d=120km$

• Convert the distance into metres.

        $d=150000m$

• The time taken by the truck driver to cover this distance is $2$ hours $30$ minutes.
• Let the time taken by the truck driver is $t$.
• So the value of $t$ is,

        $t=2h30min$

• Convert the taken taken by the truck driver into minutes.
• We know that one hour is equal to sixty minutes.
• So the time taken by the truck driver is,

        $t=150min$

• Now convert the time taken by the driver into seconds.
• We know that one minute is equal to sixty seconds so,

        $t=(150)(60)sec$

• so the time taken is,

        $t=9000sec$

• The formula to find the speed is,

        $speed=\frac{distance}{time}$

• Substitute the values in the equation,

        $speed=\frac{150000}{9000}$

• By solving we get the speed as,

        $speed=16.66m/s$

Final answer:

• The speed of the truck is $16.66m/s$.