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25-04-2017
Mathematics

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I bought 8 shirts that cost an average of $27. My sister then added 3 shirts. The 11 shirts had a mean cost of 28.50. How much did my sister’s shirts cost? Need Help by tomarrow can u also put how u got it so I get it

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arleent332 arleent332

25-04-2017

it cost 50 cent each first i subtracted 27 from 28.50 and it gave me 1.50 de i divided 1.50 by 3 and it gave 50 cent

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