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Home > GC > Chapter 3 > Lesson 3.1.4 > Problem 3-41


Frank and Alice are penguins. At birth, Frank’s beak was inches long, while Alice’s was inches long. If Frank’s beak grows by inches per year and Alice’s grows by inches per year, how old will they be when their beaks are the same length?  

Frank:  where beak length (in) =time (years).
Use the same type of equation for Alice.

What must be true about the two equations if their beaks are the same length?

Solve the equation.