Question: The exchange rates from pounds (£) to euros (€) in two different airports are shown below.
Robyn converted some pounds at one of these airports and received €68.31
What is the smallest amount of money that she could have converted?
Airport 1: £1 = €1.15
Airport 2: £1 = €1.08
1. **State the problem:**
Robyn converted some amount of money in pounds (£) to euros (€) at one of two airports. She received €68.31. We want to find the smallest amount of pounds she could have converted.
2. **Identify the exchange rates:**
- Airport 1: £1 = €1.15
- Airport 2: £1 = €1.08
3. **Set up the formula:**
The amount in euros is given by:
$$\text{euros} = \text{pounds} \times \text{exchange rate}$$
4. **Calculate pounds for each airport:**
- For Airport 1:
$$\text{pounds}_1 = \frac{68.31}{1.15}$$
- For Airport 2:
$$\text{pounds}_2 = \frac{68.31}{1.08}$$
5. **Calculate each value:**
- Airport 1:
$$\text{pounds}_1 = \frac{68.31}{1.15} = \frac{68.31}{\cancel{1.15}} = 59.4$$
- Airport 2:
$$\text{pounds}_2 = \frac{68.31}{1.08} = \frac{68.31}{\cancel{1.08}} = 63.25$$
6. **Interpretation:**
Since Robyn received €68.31, the pounds converted must be at least the amount calculated.
7. **Find the smallest amount:**
Between £59.4 (Airport 1) and £63.25 (Airport 2), the smallest amount of pounds converted is:
$$\boxed{59.4}$$
**Answer:** The smallest amount of money Robyn could have converted is £59.4.