a contractor is adding a back porch on to a house. the porch needs to hold 20 people and furniture that weighs 250 lbs. the contractor calculates that the porch needs to hold 3750 lb to meet that specification.

a contractor is adding a back porch on to a house. the porch needs to hold 20 people and furniture that weighs 250 lbs. the contractor calculates that the porch needs to hold 3750 lb to meet that specification. what value did the contractor use for the weight of a person

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A contractor is adding a back porch on to a house. the porch needs to hold 20 people and furniture that weighs 250 lbs. the contractor calculates that the porch needs to hold 37…

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