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PPrriimmarryy56

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5) complete:                                 21 , 9 is … … ……
 a) if 3 , X , 21 , 35 are proportion
 Then X = ………………………..
 b) if 5 , 4 , 20 , X are proportion
 then X = …………..….…..
 c) if X , 10 , 3 , 5 are proportion
 then X = …………………………….
d)The forth proportional to the numbers 7 ,

e) The third proportional to the numbers 2 , 3 , 15 is ……..……

6) Amr bought 3 apples for LE 27 find the price of 5 apples
                                     X = …………….. = LE…….

Pens  LE

3 27

5 .....

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