Question

On the scale drawing of a floor plan 2 inches= 5 ft. A room is 7 inches long on the scale drawing. Find the actual length of the room.
2 / 5 = 7 / x Multiply both sides by x

2 x / 5 = 7 Multiply both sides by 5

2 x = 7 * 5

2 x = 35 Divide both sides by 2

x = 35 / 2

x = 17.5 ft

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