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David is twice as old as rick. The sum of Ricks age and davids age is 81. How old is Rick?
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Feb 6, 2017
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David is twice as old as rick. The sum of Ricks age and davids age is 81. How old is Rick?
Mathematics
middle-school
Saurabh Chauhan
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Saurabh Chauhan
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the answer is 40.5 hoped I helped
Hadi Teo
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Feb 8, 2017
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Hadi Teo
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Rick is 27 years old. Pretend D is David and R is Rick
D+R=81
D=2R
2R+R=81 ---> 3R=81 ---> 81/3=R R=27 3(27)=81 TRY IT!
Fiz
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Feb 10, 2017
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