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middle school math

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the friendly cleaners charged Laura $14.75 for 3 dresses and 2 blouses drycleane. The following week she pid $15.50 to have 4 dresss and 1 blouse drycleaned. What i the unit price per blouse, and unit price per dress?

  • middle school math -

    3d + 2b = 1475
    4d + b = 1550

    I would change the second equation to
    b = 1550 - 4d and sub that into the first

    solve for d
    3d + 2(1550-4d) = 1475
    easy from here ....

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