Seudónimo Seudónimo

05-10-2016
Mathematics

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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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brookwickham brookwickham

05-10-2016

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!

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ASKME111 ASKME111

05-10-2016

the answer is 40.5 hoped I helped

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