Question

Boca Juniors lost 45% of the 80
matches played in a season and drew 15
matches. How many matches were won
by them?

Answer 1

I thought your question is:

A baseball team won 45% of the first 80 games it played. How many of the remaining 82 games will the team have to win in order to win exactly 50% of all the games it plays?

So your solution will be:

It will need to win 45 of the last 82 games.

So 45 % of 80 = 36 games won of the 80 played.

.45 ×80 =36.

80 games played + 82 more to go

80 + 82 = 162 games in all

.5 × 162 = 81 or 50% of the 162 games

So they need to win a total of 81 games to get 50 % of the total wins.

81 — 36 game won = 45

So they need to win 45 of the next 82 games to win 50 % of the 162 total games played.

36 + 45 = 81

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