It is stated that children from age one onwards grows taller and heavier till they reach adolscene at a whopping rate of about 2 kg every year for weight and 3 inches for height. assuming weight as variable w and height as h and a as age in years, if weight at age one is 4 kg and height is 20 inches, establish a linear equation between-(a) a and h (b) a and w.Can we write in (a) a+h=21 and in (b) a+w=3

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b) w=2(a-1)+4
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a) h=3(a-1)+20
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