Classroom

In a classroom are 30 students, boys are four times more than girls. How many boys are in the class?

Result

x =  24

Solution:


x+y=30
x = 4y

x+y = 30
x-4y = 0

x = 24
y = 6

Calculated by our linear equations calculator.







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To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

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