a barge can safely haul no more than 400 tons across the river. the barge has an empty weight of 24 tons. the average weight of
the railroadd cars is 4 tons each. how many railroad cars can the barge haul?
1 answer:
Answer:
The barge can carry up to 94 railroad cars.
Step-by-step explanation:
Create an inequality to represent the weight of the barge to the max weight.
24 + 4r ≤ 400
Solve for r:
4r ≤ 400 - 24
4r ≤ 376
4r ≤ 376/4
r ≤ 94
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