francescamarie76 francescamarie76

05-04-2020
Mathematics

contestada

i’ll give brainliest

ill give brainliest class=

Respuesta :

Аноним Аноним

05-04-2020

Answer:

84

Step-by-step explanation:

x = number of girls

The total for boys is 2x * 81 and for girls it would be 90x

Therefore, the equation goes like this:

2x * 81 + 90x

Then simplify, and set to equal 3x...

3x = 252

Which is the same as

x = 84

Thank me later :)

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