Alana is making strawberry jam to sell at the farmers' market. Today she has 22 cups of strawberries, and she uses 3.25 cups to make a jar of jam. Alana makes jam until she has
only 2.5 cups of strawberries left. How many jars of jam does she make?

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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

can i see the following ?

step-by-step explanation: