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What are two ways to find the answer to 168 times 55 ?

1. Do it by hand calculation. This is equivalent to adding 50 x 168 and 5 x 168.

2. Use a calculator, and get 9240

3. Start with 168 and add 168 to the previous sum 54 times. I don't recommend it

4. Divide 16800 by 2. Add to that 1680/2

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