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Anestetic [448]
2 years ago
14

Astrid travels 130 km in 2 hours and then at 85 km/h for another 3 hours to reach her

Mathematics
1 answer:
Pie2 years ago
4 0

Answer:

\huge\boxed{\sf Speed = 77\ km/hr}

Step-by-step explanation:

<h3><u>Formula to be used in the question:</u></h3>
  • Speed = Distance / Time
<h3><u>Distance for the first 2 hours:</u></h3>

= 130 km

<h3><u>Distance for the next 3 hours:</u></h3>

Speed = 85 km/h

Time = 3 hours

So,

Distance = Speed × Time

Distance = 85 × 3

Distance = 255 km

So,

<h3><u>Total distance from home to destination:</u></h3>

= 130 + 255

= 385 km

<h3><u>Speed on the return journey:</u></h3>

Total distance = 385 km

Time = 5 hours

Speed = Distance / Time

Speed = 385 / 5

Speed = 77 km/hr

\rule[225]{225}{2}

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