12. Find the sum of 73, 83, and 18. 21. A man bought 3 loads of coal. The first load weighed 13 tons, the second 1 tons, and the third 14 tons. How many tons did he buy? 16. If I spend and of my money, what part of my money remains? 17. inch and how many 8th-inches make 2 inch? 18. 7 inches and how many inches make 12 inches? 19. From take = 10. 16487 ? 11. 249-78 = ? 12. 95-38 = ? 13. 128-711=? 14. 293-6 ? 15. 498218? = 16. 17-9 = ? 17. 281-194 = ? 18. 722-6527 = ? 26. From a bin containing 963 bushels of wheat 495 bushels were sold. How many bushels remained in the bin? 27. From a piece of cambric containing 65 yards there were sold at one time 163 yards, and at another time 17ğ yards. How many yards remained? 28. Charles can build a certain fence in 122 days; William can build it in 1g days less. In what time can William build it? 29. Four loads of coal weighed, respectively, 13 tons, 1 tons, 1 tons, and 17 tons. What was the entire weight? 19. 17-811+ 21 = ? 20. 29716% = ? 21. 20812§ = ? 22. 781818-9 = ? 23. 486-12 + 167 = ? 24. 6894-14 = ? 25. A man raised 72ğ bu. of corn in one field, 653 bu. in another, and 14911 bu. in another. How many did he raise in the three fields together? 26. A miller bought 7828 bu. of wheat from A, and 86-52 bu. from B. How many bushels did he buy from both? 27. A boy rode on his bicycle 65 miles on Monday, 72 miles on Tuesday, and 68 miles on Wednesday. How many miles must he ride on Thursday to make 250 miles for the four days? 28. A merchant deposited in bank on Monday $963, on Tuesday $84, on Wednesday $65-7, on Thursday $981. What was the amount of his deposits for the four days? 29. James Price owns a piece of land 46% rods long, and 38 rods wide. How many rods of fence will be needed to inclose it? 30. William earned $123, which was $163 less than John earned. How much money did they both earn together? REVIEW WORK LESSON 47 1. What is the G. C. D. of 30 and 36? 2. What is a multiple of a number? Of two or more numbers? 3. What is the L. C. M. of two or more numbers? 4. How many feet are 31 ft., 23 ft., and 71⁄2 ft. ? 5. = equals how many 18ths? how many 40ths? 6. Name the prime factors of 35, 32, 49, 63, 66. 7. Name all the prime numbers to 100. 8. Name all the divisors of 48, 27, 34. 9. What is 1% of 100? 200? 300? $425? 362 gal.? 10. I bought a knife for 50%, and sold it at a gain of 50%. How much did I receive for it? 11. Find 6% of $500; 8% of $5000; 12. What is 25% of 50? 48? 11? ? ? 44? % of $600. 24? 4? 12? 13. What are prime factors? Composite numbers? 14. Change to 4 equivalent fractions. 15. Change to hundredths. to %. to %. 1% to %. to %. 16. By what number must you multiply both terms of the fraction to change it to ? Compare with 21. 17. Name three fractions that can be changed to exact 100ths. Complete the following: 18.30 21 36 56 63 19. What part of a quantity is 163% of it? 16% of 60 miles? 20. Compare 121% of 32 with 25% of 16. 21. What % of a quantity is of it? of it? of it? 22. If a man spent 66% of his money, what % of his money remained? LESSON 48 1. Find the L. C. M. of 3, 6, 9, 12, and 18. 9 2. 65+4+101 = ? 1001-8013-? 148-71-38 ? = |
