EXERCISE 15 



EXERCISE 

 Divide : 



1. 10.36 by .2. 6. .0044 by 22. 



2. .0032 by .16. 7. 100 by .01. 



3. .0625 by 2.5. 8. .01 by 20. 



4. 1728 by .11. 9. .2 by 200. 



5. 14.4 by .36. 10. .04 by 40. 



17. The term "per cent " means hundredths. Hence, 

 .12 = 12 per cent. .00} = } per cent. 



.07 = 7 per cent. 1.25 = 125 per cent. 

 .09J = 9J per cent. .007 = .7 of a hundredth = .7 per cent 

 The sign for per cent is %. Therefore, 



.13=13%. .00=J%. 



1.69=169%. .003 = .3%. 



EXERCISE 



Express the following by using the per-cent sign : 



1. .18. 3. .01. 5. .006. 7. .003. 9. .OOJ, 



2. .89. 4. .OOJ. 6. .0025. . 8. 1.67. 10. .001. 



18. Any number written as a per cent may be changed 

 to a decimal by dropping the per-cent sign and multiplying 

 the number by .01 ; thus, 



27 % = 27 x .01 = .27. 137 % = 137 x .01 = 1.37. 



.25% =.25 x .01 =.0025. 



EXERCISE 



Express the following as decimals : 



1. 9%. 4. .7%. 7. 1.9%. 



2. 8J%. 5. .18%. . 8. 2.25%. 



3. 139%. 6. J%. 9. 8.3%. 



