Shawna, Dexter, and Tilana are solving the equation Negative 2.5 (5 minus n) + 2 = 15.
Shawna says, âI can begin by dividing each side of the equation by â2.5 to get 5 minus n minus StartFraction 2 over 2.5 EndFraction = Negative StartFraction 15 over 2.5 EndFraction.â
Dexter says, âI can begin by distributing Negative 2.5 to get Negative 12.5 + 2.5 n + 2 = 15.â
Tilana says, âI can begin by multiplying each side of the equation by Negative StartFraction 1 over 2.5 EndFraction to get 5 minus n minus 0.8 = negative 6.â
Which students are correct?
only Shawna and Tilana
only Shawna and Dexter
only Dexter and Tilana
Shawna, Dexter, and Tilana
Answers: 3
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Shawna, Dexter, and Tilana are solving the equation Negative 2.5 (5 minus n) + 2 = 15.
Shawna says,...
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