Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

Vanessa´s total pay was $482.50.

Step-by-step explanation:

We have to add the amount of the 5% commission on Vanessa´s sales to her base salary of $400 to find out her total pay.

Since the total value of her sales was $1650, the amount (x) of her commission will be:

x = 1650 ×

x = 16.5 × 5

x = 82.50

Adding this to her base salary we get:

400 + 82.5 = 482.5

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: