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@MathCeyhun @diegorattaggi @le_becachel @_eylem_99 @PerHenrikChris1 @Cshearer41 @LukeCJL @InertialObservr @vivekanandman16
Challenge:
If John was Collin's age when he was twice as old as Zeno was, how many times older will Zeno be when Collin is twice as old as John is now?
John;-) sharp
J(t) = C(t), J(t) = 2Z(t) and C(t') = 4Z(t) , C(t') = 2*C(t). The left most equalities hold at any time (and hence also at t=t'). Solving for ΔΖ = Z(t') - Z(t) I get that ΔZ = 2*Z(t) so he is 3 times as old as he was at time t
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