Answers

2016-05-03T21:18:59+08:00
     111 ones  =       111
          1 hundred =  100
        11 tens         = 110
            thus   111 + 100 +110 =  321
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2016-05-05T12:23:28+08:00

 111 ones is equal to 111

 1 hundred is equal to 100

11 tens is 11 x 10 which is equal to 110 

adding all values   111

                              100

                          +  110

                         --------------

                               321

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