Question

Emily drives her car with a constant speed of 80 km/h. How far can she travel in 2 hours 30 minutes?​

Answer 1

Answer: 200 km

Explanation:

Step by step explanation:-

Given:

Speed of car = 80km/hr

Time taken = 2 hr and 30min

Can we write 2 hr and 30 min in 2.5hr

Distance = speed x Time

Distance = (80 x 2.5)km

= 200 km

Hence distance covered by car 200 km.

Answer 2

Emily can travel 200 km in 2 hours 30 minutes

Given :

Emily drives her car with a constant speed of 80 km/h.

To find :

The distance Emily can travel in 2 hours 30 minutes

Solution :

Step 1 of 2 :

Write down speed of the car

Here it is given that Emily drives her car with a constant speed of 80 km/h.

∴ Speed of the car = 80 km/h

Step 2 of 2 :

Calculate distance Emily can travel in 2 hours 30 minutes

Time

= 2 hours 30 minutes

= 2 hours + 30 minutes

$\displaystyle \sf = 2 \: hours + \frac{30}{60} \: hours$

$\displaystyle \sf = 2 \: hours + 0.5 \: hours$

$\displaystyle \sf = 2 .5 \: hours$

Hence distance Emily can travel in 2 hours 30 minutes

= Speed of the car × Time

= (80 × 2.5) km

= 200 km

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