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The ratio of red collars to black collars sold at one store is 9 to 10. In one month 30 black collars were sold. Is 57 a reasonable number for the total number of red and black collars sold that month. Explain



Answer :

Well, yes. If red:black=10 and black=30, then supposedly red=27, with a total of 57.
donovangragg1

Answer:

Yes, 57 is a reasonable number

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