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 May 18, 2020
 #1
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Question 1:  think of a number:   x

                    halve is:  x/2

                    subtract 4:  x/2 - 4

 

Question 2:  3 x a  =  a + a + a

 

                     a/2  =  ½a  =   a/2

 May 18, 2020

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