Question if 5 school books weigh an average of 800g, and 4 of them weigh 400g, 600g,800g, and 1000g respectively, the 5th book weighs

Answer: the fifth book weighs 1200g Step-by-step explanation: (400+600+800+1000+x)/5=800 => (2800+x)/5=800 => x=(800×5)-2800=> x=4000-2800=> x=1200 Reply

Answer: It appears that the books have a scale factor for each one, meaning that the 5th book would be 1200g. To check this regarding the average weight, add the weight of all 5 books together and divide by 5. (400 + 600 + 800 + 1000 + 1200) / 5 = 800 Reply

Answer:Step-by-step explanation:Answer:.the 5th book would be 1200g