A model ship is built to a scale of 1 cm: 5 m. The length of the model is 30 cm. What is the length of the actual ship?

Each 1 cm on the model represents 5 m on the actual ship. Multiply the model’s 30 cm by 5 m per centimeter: 30 × 5 = 150 m, so the actual ship is 150 m long.

AI-written and checked against the verified answer.