SOLUTION: Daniel is 12 yrs old; Elliott is 15 yrs older; Frank is 3 yrs younger than Elliott; find the ratio of Daniels age to Frank's in simplest form

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Question 1056253: Daniel is 12 yrs old; Elliott is 15 yrs older; Frank is 3 yrs younger than Elliott; find the ratio of Daniels age to Frank's in simplest form
Found 2 solutions by addingup, ikleyn:
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
Start by calculating their ages, then:
24:27 simplify: 6:9 simplify again: 2:3 is the ratio

Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
Daniel is 12 yrs old; Elliott is 15 yrs older; Frank is 3 yrs younger than Elliott; find the ratio of Daniels age to Frank's in simplest form
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From the condition

E = D + 15 = 12 + 15 = 27

and 

F = E - 3 = 27 - 24.

Hence, D%2FF = 12%2F24 = 1%2F2.

Had you know how to add and distract numbers and understand the meaning of the words "older" an "younger",
you would be able to solve it on your own.

I also am surprising by the solution of the tutor "addingup".