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Margaret [11]
3 years ago
10

There are 27 pupils. There are twice as many boys than girls. how many boys and girls are there

Mathematics
2 answers:
Ann [662]3 years ago
5 0
No. of boys=2x
no.of girls=x
total no. of pupils=2x+x
27=3x
27/3=x
x=no.of girls=9
no.of boys =2x=2*9=18
Anna71 [15]3 years ago
3 0
Let x  =  the numbers of girls
thus
the numbers of boys  = 2x 
x + 2x = 27
3x = 27
x = 9
2x = 2 . 9 =18
girls  =  9  &  boys  = 18
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