Javonne purchased some art supplies and paid for them with a $20 bill. The cashier handed her c dollars in change, which was a mistake. To fix the mistake, Javonne returned $1.00 to the cashier. If the purchase price was twice the amount of change Javonne was originally given, what is the value of c? A) $5.50 B) $7.00 C) $9.50 D) $10.50

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.