Users of an e-learning platform are on one of three plans: Basic, Pro or Others. Each user accesses the platform either on a single device or on multiple devices. The bar chart shows the percentage of all users on the Basic and Pro plans in 2024 and 2025 (the remainder are on the Others plan). The following additional facts are known. 1. The total number of users increased by 20% from 2024 to 2025. 2. In 2025, one-half of Basic-plan users and one-third of Pro-plan users accessed on a single device. 3. In 2024, the number of Basic-plan users on multiple devices equalled the number of Pro-plan users on a single device. 4. In 2024, 12,000 Basic-plan users accessed on a single device and 9,000 Pro-plan users accessed on multiple devices.
How many users were on the Others plan in 2025?