Question

Marcy cycle at 6km per hour. How long will she take to reach her Aunt's house which is 12km away? If she cycle at a speed of 4km/hr, hiw long would she take

Answer 1

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Here is your answer
Marcy cycle Speed = 6 km/ hr
Distance to reach Aunt's house = 12 km

As we know that
Time = Distance/Speed
$= \frac{12}{6} \\ = 2 \: hrs$
So Marcy take 2 hrs to reach her Aunt's house at a Speed of 6 km/ hrs.

Now if her Speed = 4 km/hrs
Distance = 12 km
Time = Distance/Speed
$= \frac{12}{4} \\ = 3 \: hrs$
So Marcy take 3 hrs to reach her Aunt's house at a Speed of 4 km/ hrs.

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Answer 2

Speed (s) = 6 km/hr

Distance (d) = 12 km

____________ [ GIVEN ]

• We have to find the Time (t).

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We know that..

》 Speed = Distance/Time

=> Time = Distance/Speed

Put the known values in above formula

=> Time = 12/6

=> Time = 2 hrs.

___________________________

After 2 hrs. she will reach her Aunt's house which is 12km away.

____________ [ ANSWR ]

__________________________

Now..

New Speed (s) = 4 km/hrs

Distance (d) = 12 km

=> Time = Distance/Speed

=> Time = 12/4

=> Time = 3 hrs.

______________________________

She will take 3 hrs. if she cycle at a speed of 4km/hr.

______________ [ ANSWER ]

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