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Artemon [7]
3 years ago
9

At a contest,every correct answer earns you 5 points and every incorrect answer will deduct 3 points. Jessica has a score of 66.

If she answered 3 questions incorrectly, how many correct answers did she have?
Mathematics
1 answer:
BigorU [14]3 years ago
7 0

Answer:

15

Step-by-step explanation:

66=5x-3y

x=# right

y=# wrong

y=3

66=5x-9

75=5x

x=15

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Westkost [7]

Answer:

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Step-by-step explanation:

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Answer:

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3 0
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In a survey, 600 people were asked whether they live in a city. If 120 people said they live in a city, what percent of people s
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20 %

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