The combined land area of the countries A and B is 157,973 square kilometers. Country A is larger by 473 square kilometers. Det
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length = 15
let the width = w then length = 2w - 3
Perimeter = 2(length + width)
= 2(2w - 3 + w) = 2( 3w - 3) = 6w - 6 = 48
hence 6w = 48 + 6 = 54 ⇒ w == 9
Thus length = 2w - 3 = (2× 9) - 3 = 18 - 3 = 15
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20% of the garden is in chillies.
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