Contact us at [url=mailto:ptierneyfife@edc.org]ptierneyfife@edc.org[/url] if this resource should be updated, or with questions or suggestions. We appreciate your help maintaining the quality of this resource.[br][br]Please note that this app was updated in October, 2026 to a maximum of 27 cups (instead of 24 cups) for each color. A [url=https://www.geogebra.org/m/ky6s797w]copy of the 24 cup-maximum version of the app[/url] is available in case you prefer to use it.[br][br]Related apps include a comparison [url=https://www.geogebra.org/m/skqDWFbm]app with a maximum of 12 cups per color[/url], a related [url=https://www.geogebra.org/m/FBT7YXDZ]app with a single paint can[/url], and an app that sets up and provides feedback on [url=https://www.geogebra.org/m/UWyJEuSN]paint ratio problems to solve[/url].