Mathematics, 23.07.2019 21:30 kiraswife
Sarah has an older sister and a younger sister. her older sister is one year more than twice sarah's age. sarah younger sister is three years younger than she is. the sum of their three ages is 26. formulate 3 equations that describes the situation.
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Sarah has an older sister and a younger sister. her older sister is one year more than twice sarah's...
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