Answer:
Yay!!!! Ty for the points!!!!!!!!!!!
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The equation would be 400+20c per week so if you do that equation, to figure it out 680-400=280 and then you would divide it by 20 and whatever that answer is, in this case it would be 14.
<span>3•(x•y)=(3•x)•y
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answer
associative property of multiplication
