The phrase "answer to the purpose" is correct and usable in written English.
It can be used when discussing whether something is suitable or effective for a specific goal or intention.
Example: "The proposed solution does not answer to the purpose we intended, and we need to reconsider our options."
Alternatives: "suitable for the purpose" or "meets the objective".
We give an affirmative answer to the question purposed in Section 1.
If there are no beneficial effects of MT training, that is one answer to this purpose and those findings contribute to the science of cognitive training.
And now Paco is telling me his answer to Al: The purpose of Campus Party U.S.A. is to make the world a better place.
The answer to the first question is that the purpose of the financial rescue legislation was to stabilize our financial system and to strengthen it.
By such means Mr Cameron sought to provide an answer to the two-pronged question, regarding the purpose and chief beneficiaries of austerity, which is likely to dominate the election.
The first portion of the Results, after the description of the sample population?s characteristics (if yours is a clinical study), should provide the overall factual answer to the question implied in your purpose statement.
Dyer said that the answer to the question, "What is my purpose?" is always the same.
I had used disk packing for another purpose so I knew the answer to the question, but before I could answer Bill Thurston (yes, *the* William Thurston) posted an answer.
In this study, a longitudinal design was used to answer the purpose (i) and a cross-sectional for (ii) and (iii).
Within the analytical strand of political philosophy, there are roughly two different types of answers to the question: "What is the purpose of doing political philosophy?" The first answer is that political philosophy should be truth-seeking, even if that implies, for example, that political ideals such as justice, equality or democracy are unachievable.
