In a class of 30 students , the number of girls is two - third of the number of boys . Find the number of girls in the class .
Answers
Answered by
26
Answer:
12
Step-by-step explanation:
lets the no. of boys in class be y.
y+yx2/3=30
3y+2x=90
5y=90
y=18
G)18×2/3=12
Answered by
4
Answer:
x=18
Step-by-step explanation:
= x+x×2/3=30
= 3x+2x=90
= 5x=90
= x=90/5
= x=18
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