Lake circumference
The circumference of lake in km is the number b, which must be added to the empty space in the equation below so that its solution is x = 12,000.
(x/30) + (x/20) = x - …………
(x/30) + (x/20) = x - …………
Final Answer:
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algebraplanimetricsUnits of physical quantitiesGrade of the word problem
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