Grace bought 2.5 kg of mangoes at P52.90 a kj and 1.8 kg of grapes at P275.00 kg.How many did she pay for all the fruits skew bought?

problem solving 4
Here you should read Coping With Risk and Rare Events chapters: (29, 30 & 31) from this book : Kahneman, D., (2011), Thinking, Fast and Slow, Farrar, Straus and Giroux: New York ISBN 978-0-374-27563-1 (2013 Reprint:ISBN: 978-037453355-7)

Then please do two pages summery about it.