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15-08-2018
Mathematics

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evaluate 15r+6 (60-r)for r =20,30 and 40. what conclusion can you draw

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2018bbenzenhafe 2018bbenzenhafe

15-08-2018

15 (20)+6(60-20)= 240

15 (30)+6(60-30)=630

15(40)+6(60-40)=720

you can conclude that none of the numbers have anything in common except that they all end in a 0

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