Christophrrb Christophrrb

25-04-2015
Mathematics

Answered

Zack sells full-grown ostriches for $925 and full-grown llamas for $890 each. Zack sold one less than twice as many llamas as ostriches this year. His total sales for the year were $23,455. How many llamas did Zach sell during this year?

Answer :

25-04-2015

23.455 = 890 * (2x - 1) + 925x
23.455 = 1780x - 890 + 925x
23.455 = 2705x - 890
24.345 = 2705x
x = 9

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