miles from their home. Being a little reluctantTravel: Recently Mr. and Mrs. Roberts stheir vacation in San Francisco, which is 540spenttheir vacation in San Francisco, which is 540to return home, the Roberts took 2 hourslonger on their return trip and their averagespeed was 9 mph slower than when they weregoing. What was their average rate of speedas they traveled from home to San Francisco?

The distance between their home and San Francisco is 540 miles. While returning home from San…

Travel: Recently Mr. and Mrs. Roberts s their vacation in San Francisco, which is 540 miles from their home. Being a little reluctant spent to return home, the Roberts took 2 hours longer on their return trip and their average speed was 9 mph slower than when they were going. What was their average rate of speed as they traveled from home to San Francisco?