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anonymous

  • one year ago

Johnny and Mary Elizabeth ate lunch at McDucks. Johnny purchased 4 hotdogs and 3 drinks for $11. Mary Elizabeth purchased 2 hotdogs and 2 drinks for $6. Let x represent the cost of each hot dog and y the cost of each drink. Write the system you would used to find the cost for one hotdog and one drink and state the cost of each.

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  1. welshfella
    • one year ago
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    4x + 3y = 11 2x + 2y = 6

  2. anonymous
    • one year ago
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    thnx

  3. welshfella
    • one year ago
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    yw

  4. welshfella
    • one year ago
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    to find the value of x and y multiply the first equation by -2 and the second by 3

  5. welshfella
    • one year ago
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    adding the 2 new equation will eliminate y so you can then find x then to find y plug in the value of x you just found into one of the original equations and solve for y

  6. anonymous
    • one year ago
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    Thnx for ur help!

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