Asked by maxy
                there was a total of 840 guests at a wedding dinner. 60% of them were adults, and the rest were children. some boys left before the dessert was served. as a result, the percentage of adults increased to 70%. how many boys left before the dessert was served
            
            
        Answers
                    Answered by
            Damon
            
    original:
840 total
504 adults
336 children
final
840 - b total
504 adults
336 - b children
so
504 adults = .7(840 -b)
all set?
    
840 total
504 adults
336 children
final
840 - b total
504 adults
336 - b children
so
504 adults = .7(840 -b)
all set?
                    Answered by
            Anonymous
            
    b=132
    
                    Answered by
            Mathster
            
    120 boys left before dessert was served
    
                    Answered by
            JOHN CENA
            
    60% = 504
30% = 336
Solve by Proportion
504/336-x = 7/3
2352 - 7x = 1512
-7x = -840
x = 120
    
30% = 336
Solve by Proportion
504/336-x = 7/3
2352 - 7x = 1512
-7x = -840
x = 120
                    Answered by
            Jiskha admin 
            
    120
    
                    Answered by
            Youssef 
            
    120 boys left 
    
                    Answered by
            uzi vert
            
    Symere Bysil Woods, known professionally as Lil Uzi Vert, is an American rapper, singer, and songwriter. Characterized by his face tattoos, facial piercings, eccentric hairstyles and androgynous fashion, his music is defined by often dark subject matters and imagery built on a melodic emo approach to trap
    
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