To find:How far away should Felicia place projector.
Answer to Problem 19IP
Felicia should place the projector
Explanation of Solution
Given information:
Felicia wants to project a 2-inch by 2-inch slide on to a wall to create an image 128 inches by 128 inches.
Slide projector makes the dimensions of the image twice as large for each yard that is moved away from the wall.
Let
Since, each yard doubles the dimensions then multiply it by two from the original and equate it with the desired dimension of
We get
Therefore,
Scale factor
Felicia should place the projector
Chapter 11 Solutions
Glencoe Math Accelerated, Student Edition
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