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anygoal [31]
3 years ago
15

15 POINTS

Mathematics
1 answer:
choli [55]3 years ago
5 0

Answer:

The muscular work completed by four men will be 2400 ft. lbs.

Step-by-step explanation:

See the diagram of the ramp.

Four men carry 20 boxes each up a ramp as shown.

So, 4 men carry total (4 × 20) = 80 boxes up the ramp and each box weighs 5 pounds.

Then, the 4 men carry total (80 × 5) = 400 lb weight up the ramp.

Now, the vertical height of the ramp from the ground level is 6 ft.

Hence, the muscular work completed by four men will be (400 × 6) = 2400 ft. lbs. (Answer)

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