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OpenStudy (anonymous):
A rectangular room is 5 meters longer than it is wide, and its perimeter is 30 meters. Find the dimension of the room. The length is ? meters and the width is ? meters.
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jimthompson5910 (jim_thompson5910):
P = 2L + 2W P = 2(W+5)+2W 30 = 2W + 10 + 2W 4W+10 = 30 Solve for W Then use this to find L = W+5
OpenStudy (anonymous):
w=5?
jimthompson5910 (jim_thompson5910):
good, so L is then ...
OpenStudy (anonymous):
10
jimthompson5910 (jim_thompson5910):
you got it
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jimthompson5910 (jim_thompson5910):
width = 5 meters length = 10 meters
OpenStudy (anonymous):
thank u..
jimthompson5910 (jim_thompson5910):
np
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