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Mathematics, 23.10.2020 22:30, alienfacetimelol
Souvenir hats, T-shirts, and jackets are sold at a rock concert. Three hats, two T-shirts, and one jacket cost $40. Two hats, two T-shirts, and two jackets cost $60. One hat and three T-shirts cost $10. Find the prices of the individual items. (you have to use substitution and/or elimination method, NO matrix or Graph.)
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Souvenir hats, T-shirts, and jackets are sold at a rock concert. Three hats, two T-shirts, and one j...
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