The creek

Workers cleaned the creek within three days. On the first day, cleanse one-fifth of the creek's length; the next day, 40% of the stream's length; and on the third day, 8 km length of the creek. How long is a creek?

Final Answer:

x =  20 km

Step-by-step explanation:

5x+0.40x+8=x  x/5+0.40 x+8=x  2x=40  x=240=20  x=20=20 km



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You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsnumbersUnits of physical quantitiesthemes, topicsGrade of the word problem

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