Answer :
Let’s solve each part step by step.
1. For the batches of cupcakes, assume one batch produces 12 cupcakes. To find the number of batches needed, use the formula
$$
\text{Batches} = \frac{\text{Total cupcakes}}{\text{Cupcakes per batch}} = \frac{120}{12} = 10.
$$
So, Lihle needs to make 10 batches.
2. If one batch requires 0.75 litres of milk, then the total litres of milk needed is
$$
\text{Milk required} = 10 \times 0.75 = 7.5 \text{ litres}.
$$
3. The recipe instructs the oven to be set to $425^\circ R$. We assume this corresponds to $425^\circ F$, so we convert from Fahrenheit to Celsius using the formula
$$
^\circ C = \frac{(^\circ F - 32)}{1.8}.
$$
Substitute $425^\circ F$ into the formula:
$$
^\circ C = \frac{425 - 32}{1.8} = \frac{393}{1.8} \approx 218.33^\circ C.
$$
Thus, Lihle should set the oven to approximately $218.33^\circ C$.
In summary:
- Batches of cupcakes: 10
- Litres of milk: 7.5 litres
- Oven temperature: approximately $218.33^\circ C$
1. For the batches of cupcakes, assume one batch produces 12 cupcakes. To find the number of batches needed, use the formula
$$
\text{Batches} = \frac{\text{Total cupcakes}}{\text{Cupcakes per batch}} = \frac{120}{12} = 10.
$$
So, Lihle needs to make 10 batches.
2. If one batch requires 0.75 litres of milk, then the total litres of milk needed is
$$
\text{Milk required} = 10 \times 0.75 = 7.5 \text{ litres}.
$$
3. The recipe instructs the oven to be set to $425^\circ R$. We assume this corresponds to $425^\circ F$, so we convert from Fahrenheit to Celsius using the formula
$$
^\circ C = \frac{(^\circ F - 32)}{1.8}.
$$
Substitute $425^\circ F$ into the formula:
$$
^\circ C = \frac{425 - 32}{1.8} = \frac{393}{1.8} \approx 218.33^\circ C.
$$
Thus, Lihle should set the oven to approximately $218.33^\circ C$.
In summary:
- Batches of cupcakes: 10
- Litres of milk: 7.5 litres
- Oven temperature: approximately $218.33^\circ C$
