Purvi and her friends tipped their waiter a total of twelve dollars for dinners that cost nine dollars, eight dollars, eleven dollars and twelve dollars each. Use a percent proportion to solve for the percent tip they left the waiter. Show your work.

Question

anonymous · Answer

Set up one part of the proportion by using a fraction to represent the tip amount over the amount of the entire meal. 

The second part of the proportion, the "percent" side, is simple your unknown (in this case, the percentage of the total meal that was the tip) over 100%.

campbell_st · Answer

well to find the percentage tip

its       

        $ tip
      ---------   x 100 = % tip
     $ total bill