Question 1145881
file, 3p
pen, p


{{{3p=p+1.6}}}


{{{2p=1.6}}}


{{{p=0.8}}}{{{and}}}{{{3p=2.4}}}



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Find the average cost per item of 5 files and 3 pens.
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{{{(5*2.4+3*0.8)/(5+3)}}}