Share
At a school Number of boys: number of girls = 11:9 There are 124 more boys than girls Work out the total number of studen
Question
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
in progress
0
Mathematics
3 years
2021-08-30T23:47:23+00:00
2021-08-30T23:47:23+00:00 2 Answers
79 views
0
Answers ( )
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
Answer:
number of students=1240
Step-by-step 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