3 years ago

Number of boys : number of girls = 11 : 9

Mathematics

1 answer:

Mazyrski [523]3 years ago

8 0

Step-by-step explanation:

Total number of students=S

Number of girls =G

Number of Boys =G+124

G+G+124 = S

11/20S =G+124, solve for G, S

G=558 - Number of girls.

S =1,240 - Total number of students

1,240 - 558 =682 - Number of boys.

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