Which of the following is a subset of the set A: {integers divisible by 3 from 1 to 25} {24, 27, 30, 33} {integers divisible by 6 from 1 to 36} {6, 9, 12, 15} {0, 3, 6, 9 …}
A = {integers divisible by 3 from 1 to 25} A = {3, 6, 9, 12, 15, 18, 21, 24} Choice A has 30 and 33, which are not in set A. So choice A is out. Choice B expands to {6, 12, 18, 24, 30, 36}, but 30 and 36 are NOT in set A. So choice B is out. Notice how choice D has a 0 in it. So that choice is out (since all members in choice D need to be in set A) So by process of elimination, choice C is the answer. Notice how everything in this answer choice is also in set A
okay thank you. i dont need the steps anymore just answer. i think i got it but still =not sure
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