Joke Collection Website - Bulletin headlines - In order to create a good cultural atmosphere, a middle school in Yongchuan District decided to make a permanent slogan on a cultural wall of the school.

In order to create a good cultural atmosphere, a middle school in Yongchuan District decided to make a permanent slogan on a cultural wall of the school.

Solution: Set the margin, word width and word spacing as 6x(cm), 9x(cm) and 2x(cm) respectively.

Then 6x2+9x14+2xx (14-1) =1640.

Solution: x= 10

∴6x=60 9x=90 2x=20

Answer: The margin is 60cm, the word width is 90cm, and the word spacing is 20cm.