Task 1153
Task 1153: development task in emrekuruu/math-openenv, an RL environment on the Hugging Face Hub. Emma had just been given some coins by her parents. On the way to school she lost exactly half of them, and then by retracing her steps she found exactly four-fifths of the coins she had lost. What…
The task
Emma had just been given some coins by her parents. On the way to school she lost exactly half of them, and then by retracing her steps she found exactly four-fifths of the coins she had lost. What fraction of the coins that she received from her parents were still missing after Emma retraced her steps? Express your answer as a common fraction.