1) At noon Joyce drove to lake at 30 miles per hour, but she made long walk back home at four miles per hour. How long she walked if she was gone for seventeen hours? How far she walked? Start by drawing the diagram of distances traveled and writing distances equations.
2) Nine sixteenths of the girls thought that saltations was salubrious. If other 700 girls were undecided, how many girls had made the minds concerning the topic?