asked 217k views
4 votes
Sally has made a scale drawing of the airplane, in which the wingpsan is 10 inches and the tailspan is 3 inches. What is the actual tailspan of the airplane?

2 Answers

6 votes

Answer:7.2

Step-by-step explanation: using the proportion 10/3 = 24/x we cross multiply and solve for x

answered
User Yaneeve
by
7.6k points
3 votes
My first impulse is to say you don't provide enough info with which to solve this problem. We need to know how many inches in the model correspond to 1 foot in the actual plane (that is, the scale factor). What is the scale factor here?


answered
User DDovzhenko
by
8.5k points
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