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Certainly. Math is much older than English.
The word "tetrahedron" comes from ancient Greek. The shape can be observed in methane molecules which exist in outer space and are much older than the Solar system. So tetrahedra are at least 4 billion years older than human beings!
the most obvious thing is that he wants to know your age. probably he is interested in you and wants to know whether you are older, younger or same age as him so that he can decide what is going to be his next step. it may also be that he wants to start a conversation with you.
older
A is 23% older than CA=12, whileB=11C=-- To figure out that A is older than we add 12% from A then 11% from B totalling 23%