 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ib/paper-1/18h/b/ii/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

Augment by whether the last sound was a growl. The equations

h_{B} = 1 + (h_{G} + h_{W}) /2

h_{G} = 1 + 2 h_{B} /3

h_{W} = 1 + 2 h_{B} /3 + h_{G} /3

give

h_{B} = 39/4

 New to topics? Read the docs here!