25% is a fourth of something so first round $34.99 to about $35 and just get one fouth of it which would be a little less than $9 but if you put it into the calculator it will tell you that it is about $8.75 (to calculate using the calculator you need to chane the percentage to a decimal and multiply it)
Answer:

OR
x=\frac{3}{4} ±i\frac{\sqrt{39}}{4}\\
Step-by-step explanation: