SOLUTION: Joe tossed 4 into the pot. Their average weight was 6 lb. Then he tossed in 5 more whose average weight was 7 lb. Then he threw in a big one. The overall average eight of all of th

SOLUTION: Joe tossed 4 into the pot. Their average weight was 6 lb. Then he tossed in 5 more whose average weight was 7 lb. Then he threw in a big one. The overall average eight of all of th

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Question 176558: Joe tossed 4 into the pot. Their average weight was 6 lb. Then he tossed in 5 more whose average weight was 7 lb. Then he threw in a big one. The overall average eight of all of them was 7 lb. What did the big one weigh?
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
(4(6)+5(7)+x)/10=7
:
59+x=70...multiplied both sides by 10
:
pounds for the Big One
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