Question

45%of the students in a school are girls.If the number of boys is 1485,find the total strength and the no. of girls in the school​

Answer 1

Answer:

Let the number of students be x

Percent of boys =(100-45) %

=55%

55% of x=1485

x=1485 x 100/55

x=2700

Total number of students in school is 2700

number of girls =

=2700-1485

=1215

Hence, number of girls in school is 1215

Answer 2

Answer:

100%- 45 percent = 55%

that's means 55% are boys but 1485 boys are given hence you should equation of this

55/100= 55%

hence

let's suppose X to the total students

55/100 × x = 1485

55x/100=1485

55x=1485×100

x=1485×100÷55

x= 2700

there are a total students are 2700

hence 2700 - boys = girls

2700-1485=1215

that is mean 1215 are girls

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