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NAME DATE 7-1 PERIOD Word Problem Practice 1. TRIANGLES The ratios of the measures of the angles in DEF is 7:13:16. 4. CARS A car company builds two versions of one of its models—a sedan and a station wagon. The ratio of sedans to station wagons is 11:2. A freighter begins unloading the cars at a dock. Tom counts 18 station wagons and then overhears a dock worker call out, “Okay, that’s all of the wagons . . . bring out the sedans!” How many sedans were on the ship? ' & 13x° 16x° 7x° % 99 Find the measure of the angles. 35°, 65°, 80° 5. DISASTER READINESS The town of Oyster Bay is conducting a survey of 80 households to see how prepared its citizens are for a natural disaster. Of those households surveyed, 66 have a survival kit at home. Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 2. RATIONS Sixteen students went on a week-long hiking trip. They brought with them 320 specially baked, proteinrich, cookies. What is the ratio of cookies to students? a. Write the ratio of people with survival kits in the survey. 33 − or 0.825 40 20:1 b. Write the ratio of people without survival kits in the survey. 7 − or 0.175 40 3. CLOVERS Nathaniel is searching for a four-leaf clover in a field. He finds 2 four-leaf clovers during the first 12 minutes of his search. If Nathaniel spends a total of 180 minutes searching in the field, predict the number of fourleaf clovers Nathaniel will find. c. There are 29,000 households in Oyster Bay. If the town wishes to purchase survival kits for all households that do not currently have one, predict the number of kits it will have to purchase. 30 clovers Chapter 7 about 5075 kits 9 Glencoe Geometry Lesson 7-1 Ratios and Proportions