2014 AMC 10A Problems/Problem 20
Problem
The product 
, where the second factor has 
digits, is an integer whose digits have a sum of 
. What is ?
$\textbf{(A)}\ 901\qquad\textbf{(B)}\ 911\qquad\textbf{(C)}\ 919\qquad\textbf{(D)}}\ 991\qquad\textbf{(E)}\ 999$ (Error compiling LaTeX. Unknown error_msg)
Solution
Note that 
, which has a digit sum of 
. Since we are given that said number has a digit sum of , we have 
See Also
| 2014 AMC 10A (Problems • Answer Key • Resources) | ||
| Preceded by Problem 19 |
Followed by Problem 21 | |
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| All AMC 10 Problems and Solutions | ||
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