Page 20 - Mathematics
P. 20

Subtract equation (i) from equation (ii) as follows:

                                         
                                100xx−= 83.83 0.83−  
                                        99x =  83
                                     83
                                           x =
                                     99
                                 
                    Therefore,  0.83 into fraction is   83 .
                       
               (c)   0.835                         99
                              
                    Let  x = 0.835                (i)
                    Multiply by 1 000 both sides of equation (i) to get,
    Tanzania Institute of Education
                                  
                    1000x = 835.835            (ii)
                    Subtract equation (i) from equation (ii) and solve for x as follows:
                                         
                            1000xx−= 835.835 0.835−     
                             999x = 835
                                835
                                   x =
                                999
                                 
                    Therefore, 0.835into a fraction is   835 .
                       
               (d)  0.83                             999
                              
                    Let  x = 0.83             (i)
                   Multiply by 10 both sides of equation (i) to get,
                            
                   10x = 8.33                  (ii)
                   Subtract equation (i) from equation (ii) and solve for x as follows:

                                
                   10xx−=    8.33 0.83−  
                           9x =  7.5
                             7.5
                             x =
                              9
                            5
                               =
    Mathematics Form One  Therefore, 0.83into fraction is  .
                            6
                                                  5
                                 

                                                  6









                                                  14




                                                                                        25/10/2024   09:51:04
   Mathematics form 1.indd   14
   Mathematics form 1.indd   14                                                         25/10/2024   09:51:04
   15   16   17   18   19   20   21   22   23   24   25