Lucy went to the pet store to buy 17 fish for her aquarium. She bought Fancy Goldfish for $13.49 each and Plecos for $3.25 each. She spent a

Question

Lucy went to the pet store to buy 17 fish for her aquarium. She bought Fancy Goldfish for $13.49 each and Plecos for $3.25 each. She spent a total of $198.61. How many of each kind of fish did Lucy buy?

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Thu Thủy 3 months 2021-08-21T23:41:59+00:00 1 Answers 0 views 0

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    2021-08-21T23:42:59+00:00

    Step-by-step explanation:

    let gold fish= X

    let Plecos fish= Y

    X +Y = 17…………….(I)

    13.49X + 3.25Y =198.61……..(II)

    solve simuteniously to get

    X = 14

    Y = 3…..therefore

    she bought 14 gold fish and 3 plecos fish

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