Doug is preparing a poster board for his science fair project. The board is 0.665 meters across. He wants a 0.05 meter border around the edges of the poster. What is the remaining length across the poster board for Doug to work with after the border is added?
Answers
0.665+0.05=0.715meters
Given:
Doug is preparing a poster board for his science fair project.
The board is 0.665 meters across.
He wants a 0.05-meter border around the edges of the poster.
To find:
What is the remaining length across the poster board for Doug to work with after the border is added?
Solution:
The length of the poster board (poster + border) = 0.665 m
The width of the border = 0.05 m
Let' assume the remaining length across the poster board for Doug to work with after the border is added be "x" meter.
Since Doug wants the 0.05 m border around all the edges of the poster
So, we can say
[The length of the poster] + 2×[The width of the border] = [The length of the poster board]
now, substituting the values, we get
⇒ x + (2 × 0.05) = 0.665
⇒ x + 0.10 = 0.665
⇒ x = 0.665 - 0.10
⇒ x = 0.565 m
Thus, the remaining length across the poster board for Doug to work with after the border is added is → 0.565 m.
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