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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asked Jul 13, 2023 56.5k views

2 votes

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.

Mathematics
college

Selva asked

by Selva

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Answer:

Time = distance/ speed

max distance =380 + 10 =390m

max time =390/3.9 =100s

Cobie Fisher answered Jul 19, 2023

by Cobie Fisher

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