AmyaMcQuarter AmyaMcQuarter

21-11-2017
Mathematics

contestada

Anne and Maria play tennis almost every weekend. So far, Anne has won 12 out of 20 matches. How many matches will Anne have to win in a row to improve her winning percentage to 75%?

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lililane847ozmfoi lililane847ozmfoi

21-11-2017

12/20 as a percentage = 60
75% = 15 matches out of 20

1/4 of 20 = 5
75% = 20 - 5 / 20
75% = 15 / 20

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