Sound travels about 750 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo. Suppose it takes about 4 seconds to hear the echo. How far away is the canyon wall, in feet? feet Now let's generalize that result. Suppose it takes n seconds to hear the echo. How far away is the canyon wall, in terms of n? feet A company's sales in Seattle were $350,000 in 2012, while their sales in Portland were $260,000 for the same year. Complete the following statements: a. Seattle's sales were % larger than Portland's. b. Portland sales were % smaller than Seattle's. c. Portland sales were % of Seattle's.