SOLUTION: a class has 1 more boy than girl one third of the boys and three fourths of the girls love pizza if 9 students love pizza how many girls and how many boys are in the class
Algebra.Com
Question 342779: a class has 1 more boy than girl one third of the boys and three fourths of the girls love pizza if 9 students love pizza how many girls and how many boys are in the class
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let number of girls be x
boys are x+1
..
(x+1)/3 + 3x/4 =9
LCD = 12
(4*(x+1) +3*3x) /12 = 9
4x+4+9x=12*9
13x+4=108
-4
13x+4-4=108-4
13x=104
x= 8 number of girls
x+1 = boys = 8+1 =9
RELATED QUESTIONS
Your child is in a 3rd grade class of 15 boys and 16 girls. 10 of the boys love the movie (answered by stanbon)
If each boy purchases a patty and each girl purchases a bun, they would spend a total of... (answered by josmiceli)
a classroom has 10 boys and 5 girls; three students are selected from the class at random (answered by stanbon)
A class of 32 students has 6 more girls than boys. How many girls and how many boys are... (answered by ewatrrr)
A class has twice as many boys as girls . the students in the class stand in one line ,... (answered by Edwin McCravy)
There are 10 more boys than girls in a class. If one more girl joins the class, there... (answered by jim_thompson5910,stanbon)
There are 31 students in the class: 16 boys and 15 girls. Find the probablity of a boy... (answered by Fombitz)
(a) A class has 10 boys and 5 girls. Three students are selected at random one after... (answered by stanbon)
A class has 10 boys and 5 girls. Three students are selected at random one after another. (answered by stanbon)