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Laura ordered a set of blue and black pencils. she received 110 pencils, 20% of them were black. About how many blue pencils did she receive?

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wegnerkolmp2741o

If 20% of the pencils were black, then 80 % percent of the pencils were blue.  (together they must equal 100)

110 *.80 = 88

88 pencils are blue

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