1. Problem 1: Accept three numbers and print the sum and the inputted numbers. Step 1: Let the numbers be $a$, $b$, and $c$. Step 2: Calculate the sum: $$\text{sum} = a + b + c$$ Step 3: Print the values of $a$, $b$, $c$ and their sum. 2. Problem 2: Convert dollar value to peso using exchange rate $1 = 45$. Step 1: Let the dollar value be $d$. Step 2: Calculate peso equivalent: $$\text{peso} = d \times 45$$ Step 3: Print the peso value. 3. Quiz 7, Problem 1: Accept three numbers and print sum, product, and average. Step 1: Let the numbers be $x$, $y$, and $z$. Step 2: Calculate sum: $$\text{sum} = x + y + z$$ Step 3: Calculate product: $$\text{product} = x \times y \times z$$ Step 4: Calculate average: $$\text{average} = \frac{\text{sum}}{3}$$ Step 5: Print sum, product, and average. 4. Quiz 7, Problem 2: Accept a number and multiply by 5. Step 1: Let the number be $n$. Step 2: Calculate result: $$\text{result} = n \times 5$$ Step 3: Print the result.