Question

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 1

Yes, 57 is a reasonable number

Explanation:

Answer 2

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