Greg and anna drive uphill from lakeshore to valley view point, and back. downhill to lakeshore. they notice that the drive uphill takes 10min less than twice the time to drive downhill. the difference between the time taken to drive uphill and the time to drive downhill is 65 min. a. create a pair of linear equations b. make them into 1 equations + work c. how long does it take to drive up hill + work