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11 votes
At a school

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

2 Answers

8 votes
Boys to girls
11 : 9

11x - 124 = 9x
-124 = -2x
x = 62

Check:
11*62 = 682
9*62 = 558
682 - 558 = 124 :)

682 + 558 = 1240 students
User John Kocktoasten
by
8.9k points
2 votes

Answer:

number of students=1240

Explanation:

BOYS TO GIRLS-11;9

boys=11\20

girls=9\20

11\20-9\20=2\20

2\20=124

20\20=20\20×124÷2\20=20\20×124×20\2=1240

User Yohannes
by
7.7k points

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