Answer:
B. 24 + t ≥ 48
Explanation:
So the keyword is at least which makes it clear that 24 + t is at least 48, which would be the same as is greater than or equal to
hope this helps:)
D
Sign means equal to or less then. Judging off the word problem saying "at least" it means that that they have that amount of trips or more.
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