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Answers and Step-by-step explanation:

12: The 5s are worth a lot more than the 2s. The 5s are worth fifty thousand and five thousand whereas the 2s are only worth two hundred and twenty.

13: She needs 4 forks (2000 - 1996 = 4)

    She needs 255 knives (2000 - 1745 = 255)

    She has 226 extra spoons ( 2116 - 2000 =  116)

Answer and step-by-step explanation for question - 12 :

[tex]The~five~digit~number~contains~of~5's~and~2's.~The~5's[/tex] [tex]are~in~the~ten~thousand~and~one~thousand~columns.~Which~means~that~[/tex] [tex]one~five~represent~50,000~and~the~second~represents~5,000. ~The[/tex] [tex]2's~are ~in~the~hundreds~and~tens~columns~meaning~one~2[/tex] [tex]represents~200~and~the~other~2~represents~20.~In~a~direct[/tex] [tex]comparison~of~these~numbers~the~5's~equal~55,000~and~the~2's~equal[/tex] [tex]220.[/tex]

Answer and step-by-step explanation for question - 13 :

[tex]Forks~needed=[/tex] [tex]2000-1996=4[/tex]

[tex]Knives~needed=2000-1745=225[/tex]

[tex]Extra~spoons=2116-2000=116[/tex]

[tex]Thus,4~forks~are~needed,255~knives~are~needed~and,116~spoons~are~extra.[/tex]

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