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?
a + b 2 30 b2 a + 10
a + b 2 30 b sa - 10
a + b 530b2a + 10
a+b = 30 bsa - 10

77

step-by-step explanation:

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step-by-step explanation:

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step-by-step explanation:

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i believe both

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46

step-by-step explanation:

given

height = 168 cm

formula

height =2.47*f+54.13

solution

168 = 2.47f + 54.13             subtract 54.13 from both sides

168 - 54.13   = 2.47f             combine

113.87 = 2.47f                     divide by 2.47

113.87 / 2.47 = f                   combine

46.1 = f  

answer: 46 cm