exam
Maths Puzzle
Numerical Ability
how much pure acid should be mixed with 8 gallons of 50% acid solution to get an 80% solution?
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exam Other Question
Write the equation of the line passing through (3,-7),(-6,-7)
The price p (in dollars) and the quantity x sold of a certain product obey the demand equation: p=-(1/6)x+300 .
Express the revenue R as a function of x. (hint, R=xp)
What is