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11 November, 23:48

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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  1. 12 November, 00:11
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    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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