navdeepchohan1212 navdeepchohan1212

08-05-2020
Mathematics

contestada

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 :

aminahelja2 aminahelja2

08-05-2020

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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