math 156

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a pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are ther and how many birds?

  • math 156 -

    2b+4d=48 assuming dogs have four feet, birds two.

    b+d=17

    b=17-d
    2(17-d)+4d=48
    34+2d=48
    d=7
    b=10

  • math -

    6.8

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