The scale of a model airplane is 1:72. If the wingspan on the model airplane is 7 1/2 inches, then the actual wingspan is _____. 540 feet 72 feet 45 feet 9.6 feet
2 answers:
The scale is 1 : 72. The wingspan on the model: 7.5 in. 7.5 : x = 1 : 72 x = 72 * 7.5 x = 540 in And since 1 foot = 12 inches 540 : 12 = 45 ft Answer: C ) 45 feet
Answer:
45 feet
Step-by-step explanation:
You multiply 72 by 17½ to get 540, then divide that measurement by 12 inches to get 45 feet.
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