Hiking trail

The newly built hiking trail leads 25% through the field, 3/8 of the trail leads through the forest, and the remaining 9 km along the river. How long is the train?

Final Answer:

x =  24 km

Step-by-step explanation:

r1=25%=10025=41=0.25 r2=83=0.375  r1 x + r2 x + 9 = x  41x+83x+9=x  1/4 x+3/8 x+9=x  3x=72  x=372=24  x=24=24 km



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algebrabasic operations and conceptsnumbersUnits of physical quantitiesGrade of the word problem

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