3 years ago

A rectangular room is 2 times as long as it is wide, and its perimeter is 30 meters. Find the dimension of the room.

Mathematics

1 answer:

disa [49]3 years ago

8 0

Answer:

5 by 10

Step-by-step explanation:

We know that the equation of a perimeter of a recangle is 2(l)+2(w), l being length and w being width. We know that l=2w. So the perimeter of this room would be:

2(2w)+2(w)=30

4w+2w=30

6w=30

w=5

l=2w

l=10

the dimensions are 5 by ten

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