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 ?
Answer
A
a plus b is less than or equal to 30 b is greater than or equal to a plus 10
B
a plus b is less than or equal to 30 b is less than or equal to a minus 10
C
a plus b is greater than or equal to 30 b is less than or equal to a minus 10
D
a plus b is greater than or equal to 30 b is greater than or equal to a plus 10