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Angie is purchasing stickers to make house numbers for the houses in her neighborhood. If the houses are numbered consecutively from 101 to 250 and each sticker contains a single digit, how many stickers containing the digit 3 does Angie need to purchase?

 Aug 27, 2020
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If she has to buy stickers with a single digit on each sticker, then she will have to buy 35 stickers with digit 3 on them, because you have 35 "threes", including repeats such as 133 and 233, between 101 and 250.

 Aug 27, 2020

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