5) To keep healthy, Josephine performed her powerwalk in their subdivision aiming for 1 /2 kilometers distance a day. If her average speed is 25 meters per minute, how many minutes will it take to complete her exercise? A. 30 B. 40 C. 50 D. 60
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Step-by-step explanation:
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Distance speed problems:
Given:
Josephine walks 1/2 km daily.
Average speed is 25 meters/minute.
To find:
Time taken by her to complete her exercise.
Step by Step:
1. First find out the distance and time in same units wherever applicable.
So, change distance from km to meters.
As we know
2. Write the appropriate formula.
So,
where d= total distance travelled
s= average speed
t= total time taken in journey
3. Put the values in formula and get the answer
Calculation:
Time taken (in minutes) = 20 minutes
NOTE: The distance used in calculation is 0.5km or 1/2 km.
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