Eric has saved $18,300 toward a down payment on a house. He makes a salary of $59,750 a year. What is the maximum he could affor
2 answers:
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x + 2x + 9y - 7y
3x + ( 9y - 7y )
3x + 2y
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Answer:
There is a total 50 questions.
Step-by-step explanation:
Let x = total questions in the exam
Since 82% of the test was scored correctly, that means 18% of the student's exam was scored incorrectly.
With this information we can write:
(Given that the student made 9 mistakes)
(divide 18% on both sides)
∴ There was a total of 50 questions in the examination.