22-06-2020
Mathematics

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answer this plz to be rater 5 stars

answer this plz to be rater 5 stars class=

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devishri1977 devishri1977

22-06-2020

Answer:

Step-by-step explanation:

3 min 20 seconds = 3*60 + 20 = 180 +20 = 200 seconds

2 min 44 seconds = 2*60 + 44 = 120 + 44 = 164 seconds

Improvement = 200 - 164 = 36 seconds

Percentage =(36/200) *100

= 18 %

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