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Sumit travelled 10┬аkm┬а120┬аm by scooter, 1┬аkm┬а970┬аm on foot and 15┬аkm┬а850┬аm by bus. What is the total distance travelled by Sumit?
27 km 930 m
27 km 920 m
27 km 950 m
27 km 940 m
27 km 940 m
Add kilometers together and meters together. If the sum of meters exceeds 1000, convert the excess into kilometers (1000 m = 1 km) and carry over.
Sumit travelled 10 km 120 m by scooter, 1 km 970 m on foot and 15 km 850 m by bus.
Total┬аDistance=Scooter┬аDistance+Foot┬аDistance+Bus┬аDistance
Add kilometers together and meters together. If the sum of meters exceeds 1000, convert the excess into kilometers (1000 m = 1 km) and carry over.
Forgetting to carry over 1 km when the sum of meters reaches or exceeds 1000 m.
Step 1: Write down the distances travelled by each mode
Distance by scooter = 10┬аkm┬а120┬аm, Distance on foot = 1┬аkm┬а970┬аm, Distance by bus = 15┬аkm┬а850┬аm.
Scooter=10┬аkm┬а120┬аm,Foot=1┬аkm┬а970┬аm,Bus=15┬аkm┬а850┬аm
Step 2: Add all the kilometers separately
Sum of kilometers = 10+1+15=26┬аkm.
Sum┬аof┬аkm=10+1+15=26
Step 3: Add all the meters separately
Sum of meters = 120┬аm+970┬аm+850┬аm=1940┬аm.
Sum┬аof┬аmeters=120+970+850=1940┬аm
Step 4: Convert meters into kilometers and meters
Since 1000┬аm=1┬аkm, 1940┬аm=1┬аkm┬а940┬аm.
1940┬аm=1┬аkm┬а940┬аm
Step 5: Combine kilometers and meters to get the final total distance
Total distance = 26┬аkm+1┬аkm┬а940┬аm=27┬аkm┬а940┬аm.
Total┬аDistance=27┬аkm┬а940┬аm
D is correct because the sum of all distances is 27 km 940 m.
Always ensure meters are converted correctly when summing mixed units in measurement problems.
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