exam Maths Puzzle Numerical Ability

Why does the inequality sign change when both sides are multiplied or divided by a negative number? Does this happen with equations? Why or why not? Give examples.

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exam Other Question

Find the area of a triangle whose altitude is 7 feet and whose base is 22 feet. The Heffelfinger Law Office, Inc. borrowed $2,400 from a local finance company for 4 months. If the finance company discounted the note at 8%, the maturity value of the loan was _