original:
840 total
504 adults
336 children
final
840 - b total
504 adults
336 - b children
so
504 adults = .7(840 -b)
all set?
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
7 answers
b=132
120 boys left before dessert was served
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
120
120 boys left
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
7 answers