# SOLUTION: In a certain senior class, 72 percent of the male students and 80 percent of the female students have applied to college. What fraction of the students in the senior class are male

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 Click here to see ALL problems on Miscellaneous Word Problems Question 363839: In a certain senior class, 72 percent of the male students and 80 percent of the female students have applied to college. What fraction of the students in the senior class are male? (a) There are 840 students in the senior class (b) 75 percent of the students in the senior class have applied to college Found 2 solutions by ewatrrr, checkley77:Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website!``` Hi, There are 840 students in the senior class 75 percent of the students in the senior class have applied to college Let x represent the number of females. then (840 -x ) represents the number of males. question states .72(840-x) + .80x = .75*840 solving for x .08x = .03*840 x = 315 of the senior class are females 840-315 = 525 are males checking our answer .72*525 + .80*315 = 378 + 252 = .75*840 = 630 ```Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!.72x+.80(840-x)=.75*840 .72x+672-.80x=630 -.08x=630-672 -.08x=42 x=42/.08 x=525 are boys. 525/840=5/8 are boys. --------------------------------- 840-525=315 are girls. Proof: .72*525+.80*315=.75*840 378+252=630 630=630