1.

The length of a room is three and half times it's width if the perimeter of the floor of the room is 90m find the length and width of the room

Answer»

Answer:

Step-by-step EXPLANATION:

Let length be l and width be b

So according to CONDITION:

L=3/2*b

Because perimeter=90m

2(l+b)=90

L+b=45

3/2b+b=45

5b/2=45

B=18m

So l=27

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