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16 February, 16:16

An electronic sign that showed the speed of motorists was installed on a road. The line plots below show the speeds of some motorists before and after the sign was installed. Based on these data, which statement is true about the speeds of motorists after the sign was installed

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  1. 16 February, 18:32
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    The answer is 21.

    First, you multiply the numbers to get 9.

    Then you take the number in ur name. 4+4+2 is 10. the third 4 has to be divided by 2 to get 2. Then u do 9 plus 10=21

    quick mafs
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