Jamal, Karl, and Asha each had the same size and type of chocolate bar.• Jamal cut his bar into 8 equal pieces and ate 1 of the pieces.• Karl cut his bar into 4 equal pieces and ate 1 of the pieces.• Asha cut her bar into 10 equal pieces and ate 2 of the pieces. Which model shows the greatest amount of the chocolate bar one of the three people ate as the shaded region?​

answer: 204

step-by-step explanation:

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

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step-by-step explanation:

answe: it will take 4.5 hours for naomi and clair to paint an equal number of square feet

hope i

-lavira : )