To find out how much money Emma had before she bought the salad and drink, we need to add the total amount she spent to the amount she had left.
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Calculate the total cost of the salad and drink: \[ \text{Total cost} = \text{Cost of salad} + \text{Cost of drink} \] \[ \text{Total cost} = 4.75 + 1.65 = 6.40 \]
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Add the total cost to the amount Emma had left: \[ \text{Amount before purchases} = \text{Amount left} + \text{Total cost} \] \[ \text{Amount before purchases} = 18.35 + 6.40 = 24.75 \]
Therefore, Emma had $24.75 before she bought the salad and drink.