exam Maths Puzzle Numerical Ability

Solve, graph, and write the solution set in interval notation

(x - 1)(x-2)(x-3) greater than or equal to 0

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exam Other Question

If 5 is subtracted from three times a number, the result is 7 more than twice the number. What is the number? The Rileys have $27,000 to invest. they intend to invest part of the money in certificates of deposit at 8.5% and the remainder in a savings account at 5%. If they wish to receive the same income from each investment, how much should they invest in each?