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. a + b ≥ 30 b ≥ a + 10
B.a + b ≥ 30 b ≤ a – 10
c. a + b ≤ 30 b ≥ a + 10
D. a + b ≤ 30 b ≤ a – 10

Question

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. a + b ≥ 30       b ≥ a + 10
B.a + b ≥ 30       b ≤ a – 10
c. a + b ≤ 30       b ≥ a + 10
D. a + b ≤ 30       b ≤ a – 10

anonymous · Answer

What does just this part look like?
"The sum of two positive integers, a and b, is at least 30. "

anonymous · Answer

i still don't understand sorry.

anonymous · Answer

do you know what "sum" means?

anonymous · Answer

yes more than

anonymous · Answer

"plus"

anonymous · Answer

ok. so they're saying a + b is at least 30, which means it is 30 or greater.

anonymous · Answer

what sign is greater than or equal to?

anonymous · Answer

i"M guessing it's "A" because it has the greater or equal to

anonymous · Answer

right

anonymous · Answer

thank you so much.

anonymous · Answer

you're welcome

anonymous · Answer

can you help me with another one