35.00 (each). you have a coupon for %10 off . how much is the total cost with the discount ?

Question-

35.00 (each). You have a coupon for %10 off . How much is the total cost with the discount ?

Answer-

The total cost with the discount is $31.50

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The total cost with the discount 31.5

Step-by-step explanation:

Given in the question is thirty five for each on which ten percent off is provided. Calculating ten percent from the thirty five of the that give the values when multiplying which is three point five. Later thirty five minus the obtained value that is three point five. This gives the final value as required in the questions that is thirty one point five.

35.00 each and 10% off

10 % of 35

= 3.5

35 - 3.5

= 31.5

step-by-step explanation:

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