, 12.11.2019 08:31, gabrimccut

# X= cost of one of tanya's items. tanya spent: 3x. tony spent: 4(x - 2.25) equation: 3x = 4(x - 2.25) solve: 3x = 4x - 9 3x - 4x = -9 -x = -9 x = 9 the individual cost of each person's item would be: cost of one of tanya's = x = 9, cost of one of tony's = (x - 2.25) = 6.75 the cost of one of tanya's items was \$9, and the cost of one of tony's items was \$6.75, the equation used was [ 3x = 4(x - 2.25) ]. check: tanya spent: 3x = 3(9) = 27 tony spent: 4(x - 2.25) = 4(9 - 2.25) = 4(6.75) = 27 tanya and tony both spent the same amount of money, tanya bought 3 and tony bought 4 items.

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