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Let x be the amount of money in the piggy bank before buying the toy.
The equation that represents this situation is:
x - 13.32 = 25.70
To determine the amount of money in the piggy bank, we need to solve for x.
Adding 13.32 to both sides of the equation, we get:
x = 25.70 + 13.32
x = 39.02
Therefore, there was $39.02 in the piggy bank before buying the toy.