Question

At a function, the ratio of the number of men to the number of women was 3 : 4. When another 5 men and
5 women joined the function, the ratio became 7:9. How many men were there at the function at fin
Warm Up​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

let total number of men = 3x

let total number of women = 4x

A/Q,

$= > \frac{3x + 5}{4x + 5} = \frac{7}{9} \\ \\ = > 27x + 45 = 28x + 35 \\ \\ = > x = 10$

therefore

total number of men at the party = 30