Final answer:
John originally had 54 fliers to post. He posted 18 in the first week and 24 in the second week, leaving him with 12 fliers not posted yet. The provided answer choices do not include the correct answer of 12.
Step-by-step explanation:
The question asks us to calculate the number of fliers John has still not posted after distributing a certain amount over two weeks. In the first week, he posted 1/3 of his 54 fliers. To find out how many that is, we calculate:
1/3 of 54 = 54 / 3 = 18 fliers posted in the first week.
Next, we find the remaining fliers after the first week by subtracting the number of fliers he posted from the total:
54 - 18 = 36 fliers remaining.
In the second week, he posted 2/3 of the remaining fliers. Therefore:
2/3 of 36 = 36 * 2 / 3 = 24 fliers posted in the second week.
Finally, we calculate the number of fliers John still has not posted by subtracting the fliers posted in the second week from the remaining fliers after the first week:
36 - 24 = 12 fliers not posted yet.
However, none of the answer choices matches the correct answer of 12. It is possible that there is a mistake in the original question or the answer choices provided.