Question

When she was in year 8, sarah could run 800 metres in 3 minutes 20 seconds. three years later, when she was in year 11 she could run 800 metres in 2 minutes and 44 seconds. find the percentage improvement in her time

Answer 1

((3*60+20)-(2*60+44))/(3*60+20)=18

Answer 2

Answer:

18%

Step-by-step explanation:

((3*60+20)-(2*60+44))/(3*60+20)=18