Math

A hair product company sells three types of hair products for $30, $20, and $10 per unit. In one year, the total revenue for the three products was $800,000, which corresponded to the sale of 40,000 units. The company sold half as many units of the $30 product as units of the $20 product. How many units of each
product were sold?

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asked by Julia
  1. 30x+20y+10z = 800000
    x+y+z = 40000
    x = y/2

    x=10,000
    y=20,000
    z=10,000

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    posted by Steve

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