exam Maths Puzzle Numerical Ability

Casella's Catering is planning a wedding reception. The bride and groom would like to serve a nut mixture containing 25% peanuts. Casella has available mixtures that are either 40

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exam Other Question

The daily profit of a company P is related to the number of employees (x) working on that day and is represented by the equation P = - 25x2 + 300x.
What number of employees will maximize the profit and what will be the maximum profit? Can u please help me solve for the variable

[2 -5] [8 -20]
x [7 y] = [z 24]