exam
Maths Puzzle
Numerical Ability
The sum of two numbers is 111, and their difference is 63.
What are the two numbers?
*what is the formula?
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exam Other Question
A furniture company has established the price-demand function p(x)=65-2.3x and the cost function C(x)=250+15x, where x is in hundreds of chairs, and C is in thousands of dollars.
subtract
2x/x^2 - 13x + 42 - 7/ x-6