Asked by blakers
divanna scored 67% on her test. IF she had paid closer attention to signs, she would have had 2 more problems right and would have scored 80%. write the expression for how many problems in all she would have answered correctly
Answers
Answered by
bobpursley
x/N=.8
(x-2)/N=.66666
x=.8N
x-2=.6666N
.8N-2=.6666N
.13333N=2
N=15
so there were fifteen questions on the test, and .8N=12
(x-2)/N=.66666
x=.8N
x-2=.6666N
.8N-2=.6666N
.13333N=2
N=15
so there were fifteen questions on the test, and .8N=12
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.