The equation that should be used to determine the amount of money you had in your piggy bank before buying the toy is:
This equation represents the situation where you start with
Now let's solve for
To isolate
Calculating the right side:
So, there was $39.02 in the piggy bank.
The correct response is:
p − 13.32 = 25.70; there was $39.02 in the piggy bank.