Intr-o clasa sunt 27 de elevi. daca din clasa ar pleca 3 fete si 4 baieti atunci numarul fetelor ar fii egal cu triplul nr. baietiilor. cati baieti sunt in casa

The number of boys in the class is 9

Step-by-step explanation:

The question in English is

There are 27 students in one class. If 3 girls and 4 boys leave the class, the number of girls will be three times the number of boys. How many boys are in the class?

Let

x -----> the number of boys

y -----> the number of girls

we know that

-----> -------> equation A

----> equation B

substitute equation A in equation B and solve for x

therefore

The number of boys in the class is 9

x+14

step-by-step explanation:

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