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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
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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

User Spencercooly
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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

User Nicola Uetz
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