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Crazy boy [7]
3 years ago
7

A team has won 60 percent of the 20 games it has playes so far this season. If the team plays a total of 50 games all season and

wins 80 percent of the remaining games, then the percent of games it won for the entire season will be
1. 66%
2. 69%
3. 70%
4. 72%
5. 74% ...?
Mathematics
2 answers:
vladimir2022 [97]3 years ago
5 0

Answer:  Option '4' is correct.

Step-by-step explanation:

Since we have given that

Total number of games =50

Firstly, he played 20 games.

Percentage of games they won = 60%

Number of games they won is given by

\dfrac{60}{100}\times 20\\\\=0.6\times 20\\\\=12

Remaining number of games = 50-20=30

Percentage of remaining games they won = 80%

So, number of games they won is given by

\dfrac{80}{100}\times 30\\\\=0.8\times 30\\\\=24

So, total number of games they won is given by

12+24 = 36

So, Percentage of games they won for the entire season will be

\dfrac{36}{50}\times 100\\\\=36\times 2\\\\=72\%

Hence, Option '4' is correct.

Luden [163]3 years ago
3 0
So far team has won =(60/100)*20 = 12 gamesTotal games played in season =5080 percent of the remaining games won = 80 percent of (50-20) = (80/100)*30 = 24 games.Total game won this season = 36So, percent games won in the entire season = (36/50)*100=72%Answer (4)
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Alex73 [517]

Answer: The answer is:

d=220, b=300

Step-by-step explanation:

You could solve this problem using a series of equations:

d+b=520

b-80=d

How I solve this is:

If d+b=520, you could divide 520 by 2 and say that d and b's average is 260 (though that is not their value).

Then , you know that the difference between them is 80. Since the average is 260, you could add half of 80 (which is 40) and subtract the same to get 220 and 300, which, as you can see, have a difference of 80 and add up to 520. Now you have to find out which is which.

Since 80 fewer tickets were purchased at the door than before the concert (d+80=b (the second equation)), you know that the number of tickets at the door is the lesser number, making the answer:

d=220, b=300


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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

(- 3, 37) and (- \frac{5}{2}, \frac{63}{2} )

Step-by-step explanation:

Given the 2 equations

2x² - y + 19 = 0 → (1)

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y = 4 - 11x → (3)

Substitute y = 4 - 11x into (1)

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