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Maths Puzzle
Numerical Ability
How many ounces of pure water must be added to 75 oz of a 20% salt solution to make a salt solution which is 15 % salt?
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Is there an instance when a linear equation is not a function? ...
can you give me an example....create equation of a nonlinear function with tweo inputs
A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C= 0.25 (t-600) + 77.95, where it is assumed that t is greater