Question 12
On Monday, a chicken walked from home to school at $\frac23$ m/s and he was 6 minutes late. On Tuesday, a dog chased after him, so he increased the speed to 1 m/s. As a result, he came to school 10 minutes in advance. How far is school from home?
Editorial modeling convention: both trips start at the same time, have the same required arrival time, and use the stated speed throughout.
Editorial modeling convention: both trips start at the same time, have the same required arrival time, and use the stated speed throughout.