SOLUTION: Since Knowledge of chemistry is useful even in nonscientific fields of study, a majority of the students elected to take chemistry. If 38 percent did not take chemistry and 248 stu
Algebra.Com
Question 170518This question is from textbook
: Since Knowledge of chemistry is useful even in nonscientific fields of study, a majority of the students elected to take chemistry. If 38 percent did not take chemistry and 248 students did take chemistry, how many students were there in all?
This question is from textbook
Found 2 solutions by stanbon, Mathtut:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If 38 percent did not take chemistry and 248 students did take chemistry, how many students were there in all?
--------------------------------
Let # of students be "x".
EQUATION:
0.62x = 248
x = 400
==============
Cheers,
Stan H.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
since 38% didnt take chemistry then 62% did.
lets call x the number of students in all.
:
.62x=248---->divide by .62
:
number of total students
RELATED QUESTIONS
In a class of 100 students, it is known that 45 study mathematics, 26 study chemistry and (answered by richwmiller)
In a class of 100 students, it is known that 45 study mathematics, 26 study chemistry and (answered by Theo)
In a class of 31 students , 22 study physics , 20 study chemistry & 5 study neither, how (answered by stanbon)
In a year group of 63 students, 22 study biology, 26 study Chemistry and 25 study... (answered by ikleyn)
In a school, all of the students study physics or chemistry. Sixty percent of the... (answered by scott8148)
Can I have a detailed answer with explanations to the steps for the following question... (answered by greenestamps,ikleyn)
In a group of 200 students, each student studies at least one of the three science... (answered by math_tutor2020)
Hello, this might be a long question, but I think it is quite easy to do and I haven done (answered by ikleyn)
In a class of 36 students 25 study chemistry and 22 study mathematics and 25
study... (answered by greenestamps,Edwin McCravy,math_helper,AnlytcPhil,ikleyn)