kingqasimdxb kingqasimdxb

13-08-2022
Mathematics

contestada

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.

Respuesta :

mathewscholar35 mathewscholar35

13-08-2022

Answer:

Time = distance/ speed

max distance =380 + 10 =390m

max time =390/3.9 =100s

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