How do i write an equation that represents the line

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

What is the value of x? enter your answer in the box.