Question

I need this answer in detail as soon as possible.

This is grade 6 maths
It will be better if you write in in a paper step by step answer and attach the picture.
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Answer 1

The perimeter of the room is 2(3 + 4) = 14m = 1400 cm.
Each length of bunting is 70 cm but a knot at each end will take 2 x 5 = 10 cm off
1400 / 60 = 23.333…
So she will need 24 lengths of bunting

Answer 2

The answer is 14metres 4m long 3m wide 2 x (4+3) = 14