exam Maths Puzzle Numerical Ability

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-|3x + 5| > 0

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exam Other Question

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Use a proportion to solve this problem:

44) If four out of five doctors prefer fast food, then at a fast food convention of 445 doctors, how many prefer fast food?

Thank you for your help! The polynomial f(x)divided x-3 results in a quotient of x^2+3x-5 with a remainder of 2. Find f(3). my answer is -2, could that be right. thanks again.