Question

In a video game, a guppy that escapes a net turns into three goldfish. Each goldfish can turn into two betta fish. Each betta fish can turn into two angelfish. Complete the diagram and write the number of fish at each stage. Write and evaluate an expression for the number of angelfish that can be formed from one guppy

Answer 1

Guppy
/ | \
G G G
/ \ / \ / \
B B B B B B
/\ /\ /\ /\ /\ /\
AA AA AA AA AA AA