數學題目一條,要英文,請大家幫幫忙,好嗎?謝謝你們

Mr. Lee sold 251 items of A at a profit of $5 each, and 247 items of B at a profit of $12 each, but 402 items of C at a loss of $20 each. What was the total profir or loss?

7 spoons and 8 forks cost $12.80 altogether. 4 spoons and 5 forks cost $5.10 less. How much more does each fork cost than each spoon?

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