Cyclo trip

Eighth-graders took a full-day trip on a cycling course. They took 1/7 of the route to the first break and added another 3/7 of the route to lunch. They had 18 km left to the finish. How many kilometers was the trip route measured?

Final Answer:

x =  42 km

Step-by-step explanation:

71x+73x+18=x  1/7 x+3/7 x+18=x  3x=126  x=3126=42  x=42=42 km



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