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The length of a road is 380 m, correct to the nearest 10m . Maria runs along this road at an average speed of 3.9 m/s. This speed is correct to 1 decimal place. Calculate the greatest possible time taken
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The length of a road is 380 m, correct to the nearest 10m .

Maria runs along this road at an average speed of 3.9 m/s.
This speed is correct to 1 decimal place.
Calculate the greatest possible time taken by Maria.

User Selva
by
8.1k points

1 Answer

6 votes

Answer:

Time = distance/ speed

max distance =380 + 10 =390m

max time =390/3.9 =100s

User Cobie Fisher
by
7.5k points
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