To solve the expression $\frac{100}{4}(2+3)$:

1. First, solve the parentheses:
   $2 + 3 = 5$

2. Now, divide $100$ by $4$:
   $\frac{100}{4} = 25$

3. Multiply the result by $5$:
   $25 \times 5 = 125$

Thus, the final answer is 125.

Would you like any more details or have any questions?

Here are 5 related questions:

1. What is the order of operations for expressions like this?
2. How do parentheses affect calculations?
3. How do you distribute division and multiplication?
4. What happens if parentheses are omitted in expressions like this?
5. Can this problem be solved using algebra?

Tip: Always perform operations inside parentheses first, following the PEMDAS rule (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).