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4 June, 07:26

Systems of Equations Word Problem:

Kristin spent 131.00 on shirts. Fancy shirts cost 28.00 and plain shirts cost 15.00. If she bought a total of 7 then how many of each kind did she buy?

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  1. 4 June, 07:54
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    X = fancy, y = plain

    x+y = 7

    28x + 15y=131

    solve by substitution
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