One out of four identical coins is fake. We know that the fake coin is heavier than the real coins. Using a scale, what is the minimum number of weighings needed to
![Copper Coin Silicone 3D DIY Craft Cake Mould Fondant Soap Chocolate Mold Cupcake Decoration Baking Tool|Cake Molds| - AliExpress Copper Coin Silicone 3D DIY Craft Cake Mould Fondant Soap Chocolate Mold Cupcake Decoration Baking Tool|Cake Molds| - AliExpress](https://ae01.alicdn.com/kf/H67cc08ec6f664fdda4f477a1ed9cda50v/Copper-Coin-Silicone-3D-DIY-Craft-Cake-Mould-Fondant-Soap-Chocolate-Mold-Cupcake-Decoration-Baking-Tool.jpg_Q90.jpg_.webp)
Copper Coin Silicone 3D DIY Craft Cake Mould Fondant Soap Chocolate Mold Cupcake Decoration Baking Tool|Cake Molds| - AliExpress
![Flexible Silicone Muscle Fake Chest Male Muscle Fullsuit Artificial Silicone Chest Male Summer Wear Men Shaper Cosplay Costumes - Breast Protheses - AliExpress Flexible Silicone Muscle Fake Chest Male Muscle Fullsuit Artificial Silicone Chest Male Summer Wear Men Shaper Cosplay Costumes - Breast Protheses - AliExpress](https://ae01.alicdn.com/kf/S3d98f757b78c456984fde36bdb04e1f3N/Crossdresser-Fake-Muscles-Suit-Full-Bodysuit-Fake-Muscle-Chest-Silicon-Chest-Male-Macho-Cosplay-Costumes-False.jpg)