A restaurant customer left $1.10 as a tip. The tax was 6% and the tip was 10% of the after tax cost. Which information is not needed to compute the bill after tax and tip? What was the total bill?

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.