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MA_775_DIABLO [31]
3 years ago
6

Number of boys : Number of girls = 11 : 9

Mathematics
1 answer:
Oliga [24]3 years ago
8 0
The first thing we are going to do for this case is define variables.
 We have then:
 x = Number of boys
 y = Number of girls
 We now write the system of equations:
 x / y = 11/9
 x = y + 124
 Solving the system we have:
 x = 682
 y = 558
 The number of students is:
 x + y = 682 + 558 = 1240
 Answer:
 
the total students in the school is:
 
1240 students
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