Question

In a school, 2/3 are boys, if there are 450 girls in that school, find:-
a. The number of students in the school
b. The number of boys in that school

Answer 1

Answer:

Number of boys= 2/3

Number of girls = 450

a. number of students in school = 2/3 × 450 = 150

b. number of boys = 450-150= 300

Answer 2

Answer:

Total students : 1350

no. of boys : 900

Step-by-step explanation:

let, x students in school.

then 2x/3 are boys.

girls = total students - boys.

= x - 2x/3

= x/3

given no.of girls is 450.

so,

x/3 = 450

x = 450x3 = 1350

and no. of boys = 2x/3 = (2x1350)/3 = 900

total no. of student, x = 1350.

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