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Mathematics, 08.11.2019 22:31 live4dramaoy0yf9
Emily is three years older than twice her sister mary’s age. the sum of their ages is less than 30.
let x represent mary's age.
which inequality represents mary’s possible age?
a. 0 < x < / = 9
b. 0 < x < / = 18
c. 0 < x < 18
d. 0 < x < 9
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Emily is three years older than twice her sister mary’s age. the sum of their ages is less than 30.<...
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