spent $19.05. ended with $7.45. how much did you start with?

[math_celebrity]

spent $19.05. ended with $7.45. how much did you start with?

Let s be the amount we started with. We're given:
s - 19.05 = 7.45

To solve this equation for s, we type it in our math engine and we get:
s = 26.5