SOLUTION: Jan takes a test with 60 questions. She got four times as many questions correct as she did incorrect. How many questions did she answer correctly? How many questions did she answe
Algebra.Com
Question 1047863: Jan takes a test with 60 questions. She got four times as many questions correct as she did incorrect. How many questions did she answer correctly? How many questions did she answer incorrectly?
Answer by fghfhg(1) (Show Source): You can put this solution on YOUR website!
Let the number of incorrect answers= a
Let the number of correct answers =c
1) c=4a
2) a+c=60
Substitute 1 into 2:
a+4a=60
5a=60
a=12
substitute this in either 1) or 2)
c=4(12)
c=48
Therefore correct answers= 48, incorrect answers= 12
RELATED QUESTIONS
On a mid semester algebra test,charmaine had nine times as many correct answers as... (answered by MathLover1)
in a test Isabe scored 88%. if she got three questions incorrect, how many did she get... (answered by Fombitz)
in a test isabel scored 88%.if she got 3 questions incorrect,how many did she get... (answered by 303795)
Dr. Smith's chemistry midterm has 60 questions. She scores the test as follows: for each... (answered by Mathtut)
Jan scored an 85% on a test. She answered questions correctly. How many questions were on (answered by jim_thompson5910)
mary got 30% of the test questions wrong. Sam missed twice as many. If there were 60... (answered by Boreal)
Debra took a test that consisted of 150 questions and she got 78% correct. How many... (answered by jojo14344)
Julie received 86% on her last test. She got 43 questions correct how many did she get... (answered by josmiceli)
The test had 88 questions & I got a 76% how many questions did I get... (answered by nerdybill)