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4–4 Problem-Solving Investigation:Make an Organized ListEXAMPLEMAIN IDEA• Solve problems bymaking an organizedlist.BOTANY Marcus is planning an experiment to determinethe best growing conditions for a certain type of plant.The plants will be kept in high, medium, or low sunlight.They will be given either a large, medium, or smallamount of water. How many plants should Marcus buyin order to test each possible combination of growingconditions?UNDERSTAND You know there are differentamounts of sunlight anddifferentamounts of water. You need to know thenumber of possible combinations of thesegrowing conditions.PLANMake a list of all the different possiblecombinations. Use HS for high sun, MS formedium sun, LS for low sun, LW for largewater, MW for medium water, and SW forsmall water.HOMEWORKASSIGNMENTPage(s):Exercises:SOLVECHECKThere aregrowing conditions.different combinations ofCheck the answer by seeing if each conditionis accounted for three times in the list ofcombinations.Check Your Progress GYM BAGS The basketballcheerleaders are ordering new gym bags. They can choosefrom two styles in either blue or black with white, yellow,or gold lettering. How many different bags are there?Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.96 Math Connects, Course 1