The ratio of the number of Noah's stickers to the number of Jackson's stickers was 12: 7. After Noah bought another 28 stickers and Jackson gave away 32 stickers, 5/7 of Jackson's stickers were left. (a) How many more stickers did Noah have than Jackson in the beginning?
(b) Find the new ratio of the number of Noah's stickers to the number of Jackson's stickers.

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.