williamhrg williamhrg

03-04-2020
Mathematics

contestada

when she was in year 8, sarah could run 800m in 3 minutes 20 seconds

Respuesta :

georgiabut georgiabut

03-04-2020

Answer:

82%

Step-by-step explanation:

three years later she could run 800 meters in 2 minutes 44 seconds find the percentage imporvment

in year 8 she ran 800m in 200 seconds (60x3+20)

year 11 she ran 800m in 164 seconds (60x2+44)

164/200 x 100

=82%

Answer Link

kingxswoosh2019 kingxswoosh2019

03-04-2020

Answer:

18%

Step-by-step explanation:

200-164/200 x 100=18

Answer Link

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