Math, asked by piyushbayela123, 6 months ago

please tell me the ans​

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Answered by komalrao894
0

Answer:

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Answered by namitasahu210
0

Answer:

70.66 km/hr

Step-by-step explanation:

In case 1

speed=66 km/ hr

Time taken=3/2 hrs

therefore, distance covered=66×3/2hrs=99km

In case 2

speed=80km/hr

time taken =3/4 hr

therefore, distance covered=80×3/4=60 km

therefore total distance=159 km

total time taken=9/4 hrs

Average speed= distance covered/time taken

average speed=159/9/4=159×4/9=70.66km/hr

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