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Secondary 1 | Maths
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Date Posted: 3 years ago
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1st 20 level,
3 bedroom = 3×20×x = 60x
2 bedroom = 2×20×y = 40y
The next 8 level
4 bedroom = 4×8× (x-1) = 32x-32
a) Total = 92x+40y-32
b) if x=5,y=3
Therefore,
= 92(5)+40(3)-32
= 460+120-32
= 548 bedroom.
3 bedroom = 3×20×x = 60x
2 bedroom = 2×20×y = 40y
The next 8 level
4 bedroom = 4×8× (x-1) = 32x-32
a) Total = 92x+40y-32
b) if x=5,y=3
Therefore,
= 92(5)+40(3)-32
= 460+120-32
= 548 bedroom.
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