Abookshop sets the marked price of the book 25% higher than its cost, and then sold it at 10% discount
if the selling price of the book is $360, find the cost of the book.
(4 marks)

One hundred thirty people were asked to determine how many cups of fruit and water they consumed per day. the results are shown in the frequency table. identify the conditional relative frequency by row. round to the nearest percent. the conditional relative frequency that someone ate more than 2 cups of fruit, given the person drank less than or equal to 4 cups of water is approximately . the conditional relative frequency that someone ate less than or equal to 2 cups of fruit, given the person drank more than 4 cups of water is approximately .