A school has 1260 students. The ratio of the number of girls to the number of boys is 2 : 3. If 180
new students join the school, the ratio changes to 5 : 7. How many new boys joined the school?
Answers
Answered by
0
1260/2+3
1260/5
252
Initial no. of boys = 252x5 = 504
Added students = 180
New total = 1260 + 180 = 1440
1440/ 5+7
1440/12
120
New total number of boys = 120x5 = 600
New added number of boys = 600 - 504 = 96 Answer = 96
Brainlies"t" please
1260/5
252
Initial no. of boys = 252x5 = 504
Added students = 180
New total = 1260 + 180 = 1440
1440/ 5+7
1440/12
120
New total number of boys = 120x5 = 600
New added number of boys = 600 - 504 = 96 Answer = 96
Brainlies"t" please
Similar questions