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Mathematics 11 Online
OpenStudy (sepeario):

Could someone please help me with part c) of http://imgur.com/HyYuDYl.jpg

ganeshie8 (ganeshie8):

may be just show that 99 changes to 19 or less in two transformations

OpenStudy (whpalmer4):

Or work backward: what would be required for a 2 digit number to take more than two transformations to get to a value of 19 or less?

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