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?
1 answer:
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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