Mathematics, 08.10.2019 22:30 janeou17xn

The sum of two positive integers, a and b, is at least 30. the difference of the two integers is at least 10. if b is the greater integer, which system of inequalities could represent the values of a and b?

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The sum of two positive integers, a and b, is at least 30. the difference of the two integers is at...