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9 December, 19:28

A tennis team has won 15 out of 20 matches they played this season. How many more matches will they need to win in a row to raise its winning percentage to 90%?

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  1. 9 December, 22:58
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    they will need to win 18/20 matches

    Step-by-step explanation:

    if winning 9/10 matches gives them a winning percentage of 90% then you take 9/10 and multiple it by 2 since they played two times the matches of 10, then you get 18/20
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