A shoe store is selling a pair of shoes for $60 that has been discounted by
25%. What was the original selling price?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.