evef207 evef207

05-05-2020
Mathematics

contestada

At a school the number of boys : number of girls = 11 : 9.
There are 124 more boys than girls. Work out the total number of students at the school

Respuesta :

aryanchyg aryanchyg

05-05-2020

Answer:

h

Step-by-step explanation:

hg

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Аноним Аноним

05-05-2020

Answer:

1240

Step-by-step explanation:

the ratio is 11:9

let the number of girls be x, then the number of boys is x + 124

now

[tex]\frac{x+124}{x} = \frac{11}{9}[/tex]

9x + 1116 = 11x

2x= 1116

x=558

so total number = x + (x+124) = 1240

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