Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.. 12 Section 1 Whole Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website 12 Section 1 Whole NumNumbersserb 16. 18 + 444 + 27,981 + 1,234 + 75,211 + 7 = 17. 21,987 + 101,001 + 622 + 9 + 36,299 + 981,202 = 18. 4 + 144 + 414,411 + 69,835 + 641,538 + 99 = 19. Three pieces of double extra-strong pipe in inventory have the following lengths: 27″, 42″, and 19″. What is the total length of double extra-strong pipe in inventory? 20. Three welded frames are shipped by truck to a customer. The smallest frame weighs 985 lb, the next frame weighs 2,891 lb, and the largest weighs 3,257 lb. What is the total weight? 21. Tregaskiss, Inc., a manufacturer of welding rods, produced the following quantities: 9,622 for January, 72,450 for February, and 284,361 for March. What was the total production for the three months? 22. According to statistics, a coal mining company’s production for each of the past six years has been 9,253,589 tons 9,405,740 tons 8,713,903 tons 8,001,878 tons 7,464,890 tons and 7,791,261 tons. How many tons of coal did the company produce in the past six years? 23. Alexander Lincoln worked the number of hours shown below for the month of December. What is the total number of hours he worked for the month? December Week Date Hours Week Date Hours Week Date Hours 1 1 8 2 10 8 4 21 7 1 2 8 2 11 6 4 22 8 1 3 8 4 23 6 1 4 8 3 14 4 4 24 3 1 5 4 3 15 8 3 16 8 5 28 5 2 7 6 3 17 8 5 29 6 2 8 8 3 18 7 5 30 9 2 9 8 3 19 5 5 31 3 Goodheart-Willcox Publisher