You kayak up a river at a rate of 48 feet every 30 seconds. you kayak 423 feet every 3 minutes on the way back down the river. how much farther do you kayak in 5 minutes on the way down the river than in 5 minutes on the way up the river?

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.