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A wall is built with layers of consecutive numbers of bricks, 1 on top, then 2, then 3 and so on. How many bricks are needed for a wall with twenty-eight layers?
THE ANSWER TO MATHS QUIZ 185 WAS:
300
Last week’s winner was Sarah Davies 9RC
For the solutions and this week’s question see the Maths notice board outside the staff room.
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