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| Math Central | Quandaries & Queries |
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Question from billie, a parent: Ray makes an array that has 4 rows of 4 counters. He wants to make 2 more arrays using the same number of counters.He wants more than 1 counter in each row.What 2 arrays can he make? what 2 can he? What is an array anyway? |
What is an array anyway?
An arrangement. The first one is specifically stated to have the counters in equal rows:
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you are meant to assume that the others do too. (The problem does not state that 1 row of 16 is wrong
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but I don't think that's what the teacher expects!)
Of course this is really a problems about finding factorizations.
Good Hunting!
RD
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