The answer is D. 21 because your multiplying 3 and 7
Find the distance of each trip:
68 km / 34 trips = 2 km per trip
Divide total distance by distance per trip:
348 km / 2 km per trip = 174 trips
Answer: 174 trips
Answer:
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Answer:
8x+2y+3x-18y+x^2
final answer: x^2+11x-16y
*edited*
