The average weight of 8 gold coins is 20 g per coin. The average weigh – McqOptions

MCQOPTIONS

1.	The average weight of 8 gold coins is 20 g per coin. The average weight of 12 silver coins is 35 g per coin. What is the average weight per coin for 20 coins?
A.	25 g
B.	21 g
C.	31 g
D.	29 g
Answer» E.

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