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Answer:
$3.39
Explanation:
let pencil cost be a
notebook cost $0.50 more then pencil= a+$0.50
but pencil and notebook =$6.28
a+a+0.50=6.28
2a=6.28-0.50
2a=5.78
a= 2.89
therefore notebook=a+0.50
=2.89+0.50
= $3.39
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