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children from age one onwards grows taller and heavier till they reach adolescence at a whopping rate of about 2kg every year for weight and 3 inches for height

assuming weight as variable w and height as h and a as age, if weight at age 1 is 5 kg and height is 24 inch, establish a linear relationship between
- a and w
- a and h

Please find below the solution to the asked query :

$\left(1\right)\mathrm{At}\mathrm{a}=1,\mathrm{w}=5\mathrm{kg}.\phantom{\rule{0ex}{0ex}}\mathrm{At}\mathrm{a}=2,\mathrm{w}=5+2=7\mathrm{kg}.\phantom{\rule{0ex}{0ex}}\mathrm{So},\mathrm{W}=2\mathrm{a}+3.\phantom{\rule{0ex}{0ex}}\left(2\right)\mathrm{At}\mathrm{a}=1,\mathrm{h}=24\mathrm{inch}\phantom{\rule{0ex}{0ex}}\mathrm{At}\mathrm{a}=2,\mathrm{h}=24+3=27\mathrm{inches}.\phantom{\rule{0ex}{0ex}}\mathrm{So},\mathrm{h}=3\mathrm{a}+21.$

$\left(1\right)\mathrm{At}\mathrm{a}=1,\mathrm{w}=5\mathrm{kg}.\phantom{\rule{0ex}{0ex}}\mathrm{At}\mathrm{a}=2,\mathrm{w}=5+2=7\mathrm{kg}.\phantom{\rule{0ex}{0ex}}\mathrm{So},\mathrm{W}=2\mathrm{a}+3.\phantom{\rule{0ex}{0ex}}\left(2\right)\mathrm{At}\mathrm{a}=1,\mathrm{h}=24\mathrm{inch}\phantom{\rule{0ex}{0ex}}\mathrm{At}\mathrm{a}=2,\mathrm{h}=24+3=27\mathrm{inches}.\phantom{\rule{0ex}{0ex}}\mathrm{So},\mathrm{h}=3\mathrm{a}+21.$

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