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Question 1:
A food fair is going to be held at Zoo Lake. Chloe decides to set up a stall selling tortillas. It costs Chloe R5 to make a tortilla and R500 to rent the stall. She sells each tortilla for R15.

The table below shows the income that Chloe will make if she sells the tortillas:
\begin{tabular}{|c|c|c|c|c|c|c|}
\hline
Number of tortillas & 0 & 50 & 100 & 150 & 200 & 250 \\
\hline
Total income (R) & 0 & 750 & 1500 & 2250 & 3000 & 3750 \\
\hline
\end{tabular}

1.1 Write down a formula to represent Chloe's total expenses:
Total Expenses [tex]$=\ldots$[/tex]

1.2 Draw up a table to represent Chloe's expenses if she sells 0, 50, 100, 150, 200, and 250 tortillas.
\end{document}


Sagot :

Let's go through the problem step-by-step and derive the necessary tables and formulas.

### 1.1 Formula for Total Expenses

To find Chloe's total expenses, let's consider the two components of her expenses:
1. The fixed cost to rent the stall, which is R500.
2. The variable cost to make the tortillas, which is R5 per tortilla.

If [tex]\( T \)[/tex] represents the number of tortillas made and sold, then the variable cost is [tex]\( 5 \times T \)[/tex].

Thus, the total expenses, [tex]\( E \)[/tex], can be calculated using the following formula:

[tex]\[ \text{Total Expenses} = \text{Fixed Cost} + (\text{Cost per Tortilla} \times \text{Number of Tortillas}) \][/tex]

Putting in the given values:

[tex]\[ \text{Total Expenses} = 500 + 5 \times T \][/tex]

### 1.2 Table of Total Expenses

Now, using the above formula, we can calculate Chloe's expenses for selling [tex]\( 0, 50, 100, 150, 200, \)[/tex] and [tex]\( 250 \)[/tex] tortillas.

Here is the table:

| Number of Tortillas | Total Expenses (R) |
|---------------------|---------------------|
| 0 | 500 |
| 50 | 750 |
| 100 | 1000 |
| 150 | 1250 |
| 200 | 1500 |
| 250 | 1750 |

So, the step-by-step solution here shows that Chloe incurs varying levels of total expenses as her tortilla production increases, calculated using the formula [tex]\( 500 + 5 \times T \)[/tex].