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Airida [17]
3 years ago
9

Sasha hasn’t won any of the 40 games she has played with her four friends so far. She wants to win at least 20%. How many does s

he need to win in a row to get 20%?
Mathematics
1 answer:
Margaret [11]3 years ago
7 0

Answer:

10

Step-by-step explanation:

Given that Sasha has won 0 games in the 40 games she has played.

Let she needs to win x game in a row, so

Total game she played = 40 + x

The number of the game she won is x, which is 20% of the total game she played, so

x = 20% of (40+x)

\Rightarrow x = 0.2(40+x) \\\\\Rightarrow x = 8+0.2x \\\\\Rightarrow x-0.2x=8 \\\\\Rightarrow 0.8x = 8 \\\\\Rightarrow x = 8/0.8=10.

Hence, she needs to win 10 games in a row.

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