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標題:

Rate and ratio (shows steps)

發問:

The figure shows the floor plan of a bedroom with a scale 1:150. The length and the width of the floor plan are a cm and b cm respevtively. If the perimeter of the floor plan is 11 cm, suggest two pairs of possible values for the actual length and width of the bedroom. Thanks

最佳解答:

actual perimeter =11/(1:150) =11x150 =1650cm 2a+2b=1650 a+b=825 any value can fulfill a+b=825 is the answer here are 2 examples: 1.a cm=400 cm, b=425 cm 2.a cm=325 cm, b=500 cm either a or b can be the length and the width:)

其他解答:A9A3995996B435E3