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14 June, 09:25

Madame Dubois bought 20 pearl necklaces for $500. Becoming bored quickly, she sold 3/4 of them at $40 each. She sold the rest at cost price. How much money did she make?

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  1. 14 June, 11:12
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    Find cost of 1 necklace:

    20 necklaces = $500

    1 necklace = $500 : 20 = $25

    Find Sales of 3/4 of the necklaces:

    3/4 of 20 = 3/4 x 20 = 15 necklaces

    15 necklaces sold at $40 each = 15 x 40 = $600

    Find Sales of the remaining necklaces:

    20 - 15 = 5

    5 necklaces sold at $25 = 5 x 25 = $125

    Find profit:

    Total Sales = $600 + $ 125 = $ 725

    Total profit made = $725 - $500 = $225

    Answer: She made $225
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