Ai bought three books for $8.71, $14.12, and $21.92. What is the best estimate for the total cost of the books?

I just round the $ up or down. I would think the best estimate is $45

hancock was president of congress when the declaration of independence was adopted and signed. he is primarily remembered by americans for his large, flamboyant signature on the declaration, so much so that "john hancock" became, in the united states, an informal synonym for signature.

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