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Posted by on Tuesday, December 7, 2010 at 10:56pm.

A 720ml container holds a mixture of red, yellow, and white paint in a 5:3:12 ratio. How much more red paint than yellow paint is present in the mixture?

  • Math - , Tuesday, December 7, 2010 at 11:02pm

    Add the ratios together and divide 720 mL in proportion to the ratios.

    5+3+12=20
    So
    red = 720*5/20 = 180 mL
    yellow = 720*3/20 = ?
    white = 12*3/20 = ?

    Add up the three quantities and make sure the sum equals 720 mL.

  • Math - , Tuesday, December 7, 2010 at 11:04pm

    Thank You!

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