90% of 30 =
                   ( 27 )

3% of 40 =
                   (       )

30% of 30 =
                   (       )

2% of 2 =
                   (       )

40% of 20 =
                   (       )

50% of 90 =
                   (       )

70% of 5 =
                   (       )

70% of 20 =
                   (       )

70% of 70 =
                   (       )

          +[         ]

5% of 9 =
                   ( 0.45 )

6% of 7 =
                   (       )

50% of 5 =
                   (       )

90% of 4 =
                   (       )

80% of 30 =
                   (       )

50% of 6 =
                   (       )

6% of 70 =
                   (       )

9% of 8 =
                   (       )

6% of 6 =
                   (       )

          +[         ]

50% of 7 =
                   ( 3.5 )

80% of 7 =
                   (       )

7% of 5 =
                   (       )

9% of 90 =
                   (       )

6% of 90 =
                   (       )

6% of 7 =
                   (       )

8% of 5 =
                   (       )

2% of 90 =
                   (       )

8% of 60 =
                   (       )

          +[         ]

       ++[[            ]]