exam Maths Puzzle Numerical Ability

x-4/ x = 15 / x + 4

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exam Other Question

6x-4(2x+1)=12 Problem: Farmland conversion. The amount of farmland in the United States is decreasing by 1 acre every 0.00876 hours as farmland is being converted to nonfarm use. At what rate in acres per day is the farmland decreasing?