The number of girls in a mixed school is 420. If the ratio of boys to girls in the school is 3:2, how many students are in the school? *

Let,

It is given that,

➙ Number of girls = 420

Then,

➙ 2x = 420

➙ x = 420/2 = 210

No. of boys = 3x = 630

Then,

➙ Number of students = 5x

➙ Number of students = 5(210)

➙ Number of students = 1050

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use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

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step-by-step explanation:

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