pinkyjayalykinpen pinkyjayalykinpen

Today at 2:52 PM
Mathematics

Answered

In a class of 52 students, 16 are science students. If I/3 of the boys and 1/4 of the girls are science students, how many boys are in the class?

Answer :

BillRockwell BillRockwell

Today at 2:56 PM

Answer:

36

Step-by-step explanation:

x = # of boys, y = # of girls

x/3+y/4=16; mult. ea side by 12: 4x+3y=192 (1)

x+y=52; mult. ea side by 3: 3x+3y=156 (2)

(1)-(2)=x=36

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