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Find 2*5 + 8*11 (mod 56)

 

Express your answer as an integer from 0 to 55, inclusive.

 Dec 22, 2021
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56 = 8 * 7. This means that 8*11 mod 56 is equivalent to 8*4 mod 56, or 32.

Since 2*5 = 10, the answer is 32 + 10 = 42

 Dec 22, 2021

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