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Sagot :
Sure! Let’s go through a detailed, step-by-step process to solve this problem without referring to any previous errors or external code. Here’s a breakdown of what we're going to do:
1. Input the prices of the five items
2. Calculate the subtotal
3. Calculate the sales tax
4. Calculate the total
5. Display the results
### Step-by-Step Solution
1. Input the Prices of the Five Items:
- First, we need to prompt the user to enter the price for each of the five items.
- We will store these prices in variables: `price1`, `price2`, `price3`, `price4`, and `price5`.
2. Calculate the Subtotal:
- The subtotal is the sum of all the item prices.
- Formula: `subtotal = price1 + price2 + price3 + price4 + price5`
3. Calculate the Sales Tax:
- The sales tax rate is given as 7 percent.
- The amount of sales tax is calculated using the formula: `sales_tax = subtotal 0.07`
4. Calculate the Total:
- The total amount the customer needs to pay is the sum of the subtotal and the sales tax.
- Formula: `total = subtotal + sales_tax`
5. Display the Results:
- Finally, we will display the subtotal, sales tax, and total to the user.
### Example Flowgorithm Pseudocode
Here’s a pseudocode representation:
```plaintext
BEGIN
// Declare variables
DECLARE price1, price2, price3, price4, price5 AS REAL
DECLARE subtotal, sales_tax, total AS REAL
// Input prices for the five items
OUTPUT "Enter the price for item 1:"
INPUT price1
OUTPUT "Enter the price for item 2:"
INPUT price2
OUTPUT "Enter the price for item 3:"
INPUT price3
OUTPUT "Enter the price for item 4:"
INPUT price4
OUTPUT "Enter the price for item 5:"
INPUT price5
// Calculate subtotal
SET subtotal = price1 + price2 + price3 + price4 + price5
// Calculate sales tax
SET sales_tax = subtotal 0.07
// Calculate total
SET total = subtotal + sales_tax
// Display the results
OUTPUT "Subtotal: ", subtotal
OUTPUT "Sales Tax: ", sales_tax
OUTPUT "Total: ", total
END
```
### Explanation:
1. Variable Declaration:
- We declare variables to store the price of each item, subtotal, sales tax, and total.
2. Input:
- We prompt and read the price of each item using `INPUT` statements.
3. Processing:
- Calculate the subtotal by summing up all item prices.
- Compute the sales tax using the given percentage (7%).
- Calculate the total by adding the sales tax to the subtotal.
4. Output:
- Finally, we display the subtotal, sales tax, and total to the user.
This logical flow ensures we systematically handle the problem requirements and produce the desired outputs.
1. Input the prices of the five items
2. Calculate the subtotal
3. Calculate the sales tax
4. Calculate the total
5. Display the results
### Step-by-Step Solution
1. Input the Prices of the Five Items:
- First, we need to prompt the user to enter the price for each of the five items.
- We will store these prices in variables: `price1`, `price2`, `price3`, `price4`, and `price5`.
2. Calculate the Subtotal:
- The subtotal is the sum of all the item prices.
- Formula: `subtotal = price1 + price2 + price3 + price4 + price5`
3. Calculate the Sales Tax:
- The sales tax rate is given as 7 percent.
- The amount of sales tax is calculated using the formula: `sales_tax = subtotal 0.07`
4. Calculate the Total:
- The total amount the customer needs to pay is the sum of the subtotal and the sales tax.
- Formula: `total = subtotal + sales_tax`
5. Display the Results:
- Finally, we will display the subtotal, sales tax, and total to the user.
### Example Flowgorithm Pseudocode
Here’s a pseudocode representation:
```plaintext
BEGIN
// Declare variables
DECLARE price1, price2, price3, price4, price5 AS REAL
DECLARE subtotal, sales_tax, total AS REAL
// Input prices for the five items
OUTPUT "Enter the price for item 1:"
INPUT price1
OUTPUT "Enter the price for item 2:"
INPUT price2
OUTPUT "Enter the price for item 3:"
INPUT price3
OUTPUT "Enter the price for item 4:"
INPUT price4
OUTPUT "Enter the price for item 5:"
INPUT price5
// Calculate subtotal
SET subtotal = price1 + price2 + price3 + price4 + price5
// Calculate sales tax
SET sales_tax = subtotal 0.07
// Calculate total
SET total = subtotal + sales_tax
// Display the results
OUTPUT "Subtotal: ", subtotal
OUTPUT "Sales Tax: ", sales_tax
OUTPUT "Total: ", total
END
```
### Explanation:
1. Variable Declaration:
- We declare variables to store the price of each item, subtotal, sales tax, and total.
2. Input:
- We prompt and read the price of each item using `INPUT` statements.
3. Processing:
- Calculate the subtotal by summing up all item prices.
- Compute the sales tax using the given percentage (7%).
- Calculate the total by adding the sales tax to the subtotal.
4. Output:
- Finally, we display the subtotal, sales tax, and total to the user.
This logical flow ensures we systematically handle the problem requirements and produce the desired outputs.
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