Seudónimo Seudónimo

08-08-2018
Mathematics

contestada

Please please help me with this answer

In Troy's class there are 3 more boys than girls. There are 33 students in all. How many boys are there in Troy's class?

Respuesta :

08-08-2018

15 girls and 18 boys in the class

x=(3+y)

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TheQueenOf2005 TheQueenOf2005

08-08-2018

Hello,

Boys : x

Girls : x - 3

Total : x + ( x - 3 ) = 33

x + x - 3 = 33

2x - 3 = 33

2x = 33 + 3 = 36

x = 36 / 2 = 18 boys

18 - 3 = 15 girls

18 + 15 = 33

Bye :)

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