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Mathematics 7 Online
OpenStudy (anonymous):

A bar of chocolate is subdivided by grooves into 40 segments,arranged in 5 rows and 8 columns. How many times does one have to break the bar to get all 40 segments?

OpenStudy (pfenn1):

You need to break it 7 times to get it into 8 columns, and then each column 4 times to break into 5 pieces in each column.

OpenStudy (anonymous):

ohh. that was easy... :(

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