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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 man…

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 man…
asked 10.8k views
5 votes
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?

asked
User Castaldi
by
7.7k points

1 Answer

4 votes

Answer:

15

Explanation:

66=5x-3y

x=# right

y=# wrong

y=3

66=5x-9

75=5x

x=15

answered
User Cadizm
by
8.6k points
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