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13-12-2018
Mathematics

contestada

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?

Respuesta :

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13-12-2018

Answer:

15

Step-by-step explanation:

66=5x-3y

x=# right

y=# wrong

y=3

66=5x-9

75=5x

x=15

Answer Link

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