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poizon [28]
3 years ago
14

David is twice as old as rick. The sum of Ricks age and davids age is 81. How old is Rick?

Mathematics
2 answers:
VLD [36.1K]3 years ago
6 0
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!
allsm [11]3 years ago
3 0
The answer is 40.5 hoped I helped
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