Question
Six identical rectangular parcels are packed into a rectangular box with a width of 71 cm. The top view of two possible arrangements are shown below. The first arrangement shown leaves gaps of 20 cm and 18 cm. The second arrangement shown leaves a 27 cm gap. What is the length of the other gap in the second arrangement?
4 m

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Six identical rectangular parcels are packed into a rectangular box with a width of 71 cm. The top view of two possible arrangements are shown below. The first arrangement shown leaves gaps of 20 cm and 18 cm. The second arrangement shown leaves a 27 cm gap. What is the length of the other gap in the second arrangement?