Please help solve

?? * O Xil 33%12:40 O delab4. turingscraft.com 2 : Ontents Q ? bala Horstman Big Ja' Warmup oduction WorkBench C++ CodeLab a la Horstman Big Java > CH5 Classes > Exercise: 10896 0 WorkArea Write the interface (.h file) of a class Gas Tank containing: A data member named amount of type double. A data member named capacity of type double. A constructor that accepts a parameter of type double. A function named addGas that accepts a parameter of type double and returns no value. A function named useGas that accepts a parameter of type double and returns no value. A function named isEmpty that accepts no parameters and returns a boolean value. A function named isFull that accepts no parameters and returns a boolean value. A function named getGasLevel that accepts no parameters and returns a double. A function named fillUp that accepts no parameters and returns a double. # Submit History: (12 of 12) 04/14/1804:00:39