sevenwilliams715 sevenwilliams715

30-06-2016
Mathematics

contestada

A bag contains 2 steel balls and 5 brass balls. The total weight is 13 pounds. If 2 steel balls are added and 2 brass balls are removed, the weight decreases to 12 pounds. How much does each kind of ball weigh?

Respuesta :

cicigolson cicigolson

01-07-2016

steel balls are 1.5 pounds, brass are 2 pounds

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