# SOLUTION: three fourths of the students received a grade of C and one fifth received a grade of A. If twenty-two more students received C's than A's, how many students are in class.

Algebra ->  Algebra  -> Percentage-and-ratio-word-problems -> SOLUTION: three fourths of the students received a grade of C and one fifth received a grade of A. If twenty-two more students received C's than A's, how many students are in class.      Log On

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 Click here to see ALL problems on Percentage-and-ratio-word-problems Question 259785: three fourths of the students received a grade of C and one fifth received a grade of A. If twenty-two more students received C's than A's, how many students are in class.Answer by edjones(7569)   (Show Source): You can put this solution on YOUR website!.75 c .20 a .05 others . Let a=number of A's a/(a+22)=.2/.75 Proportion a=.2(a+22)/.75 =(.2a+4.4)/.75 a=2a/7.5 + 44//7.5 7.5a=2a+44 5.5a=44 a=8 c=30 Let x=others x/8=.05/.2 x=.4/.2=2 40 in class . Ed