Question

A tractor trailer weighs 80,000 pounds. Two tractor trailers come upon a bridge with a sign saying it can only handle 100 tons. How many tons are still available before the bridge reaches its weight limit?

Answer 1

Answer:

20 tons are still available before the bridge reaches its weight limit. Since, the limit of bridge to handle the maximum weight of 100 tons.

Answer 2

Answer: 20 tons are still available before the bridge reaches its weight limit.

Step-by-step explanation:

Given: The weight of one tractor = 80,000 pounds

Then, the weight of two tractors =2×80,000=160,000 pounds

We know that 1 ton = 2000 pounds  1 pound=1/2000ton

Therefore, 

160,000 pounds=160,000/2000=80 tons

Thus, the weight of two tractors come upon a bridge  =80 tons

Since, the limit of bridge to handle the maximum weight of  100 tons.

∴ Number of tons still available before the bridge reaches its weight limit=100−80=20 tons

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