Question

Miss Faiza completes a journey in 3 stages. in stage 1, she drives at a speed of 40km/hr for 45 minutes. in stage 2, she drives at 60km/hr for 2 hours and 9 minutes. Altogether, over 3 stages, Miss Faiza drives 171.6km in 3 hours and 15 minutes. what is her average speed in km/hr, in stage 3​

Answer 1

Answer:

0.88. km/min. Answer

Step-by-step explanation:

Given Question:-

find average speed.⁉️

Given That, :-

Distance = 171.6 km.

Time= 3 hours and 15 minutes.

Given That:-

Distance = 171.6 km.

Time = 3 hours and 15 minutes.

$(3 \: hours \: and \: 15 \: minutes). \\ = > (180 + 15 \: minutes) \\ = > (195 \: minutes).$

Average Speed:-

$Average Speed = \: \binom{ Total Distance Traveled}{Total Time Taken].}$

Solve:-

$\binom{171.6}{195} . \\ = > 0.88.km \min. < - ans.$

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