2007 AMC 8 Problems/Problem 18
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Problem
The product of the two -digit numbers
and
has thousands digit and units digit . What is the sum of and ?
Solution
The ones digit plus thousands digit is .
Note that the ones and thousands digits are, added together, . (and so on...) So the answer is .
See Also
2007 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 17 |
Followed by Problem 19 | |
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