Claire mowed 5 lawns last week. She mowed each lawn in 7/18 hour. She mowed the same lawns this week in 5/18 hour each using her new lawn mower. How many times longer was Claire’s time to mow all the lawns last week than this week?

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?