Emily has a collection of soccer balls. twelve of her soccer balls are pink these make up 40% of her collection. how many soccer balls are in emily's collection? use mathematicsto justify your answer.

she gotta workk that a 2

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where did you get them? if you picked from the grass, is is probably poisonous.

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answer: 204

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we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

whaere is the picture

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