To determine the cost of 3 Nutra Mart charges 81.36 for 2 pounds of bananas, solve the proportion 1,98 - 5
pounds of bananas
1. Use the cross products to write an equation:
2. Solve the equation
Three pounds of bananas cost

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step-by-step explanation:

560

hope this : )

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

the answer is d

step-by-step explanation: