exam Maths Puzzle Numerical Ability

Review the text on p 605 for help in solving Problem 46. It might also help to note that slope can be defined as being rise over run (change in vertical position divided by change

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What is the square root of 48x^3y^2 all over the square root of 4xy^3 ?

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how many ounces of water must be added to 20 ounces of 8% salt solution to make 2% salt soltion