Convert Decimal Number: Express 15.2 in Different Forms

To solve this problem, we'll convert the decimal number 15.2 into a mixed number:

• Step 1: Identify the whole number: The number 15.2 has a whole part of 15.
• Step 2: Convert the decimal part to a fraction:
  The decimal 0.2 can be expressed as $\frac{2}{10}$.
• Step 3: Simplify the fraction:
  The fraction $\frac{2}{10}$ simplifies to $\frac{1}{5}$ (dividing both numerator and denominator by 2).
• Step 4: Form the mixed number:
  Combine the whole number 15 with the simplified fraction $\frac{1}{5}$ to obtain the mixed number $15\frac{1}{5}$.

Based on the provided choices, the correct answer is choice 2: $15\frac{1}{5}$.