In an experiment, the rate of growth in the height of a particular plant was found to be 25% each year. If its height is 80 cm this year, find when it will reach the height of 155.25 cm
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Step-by-step explanation:
Let x be the year when height reaches 155.25,then height after x years,
155.25=80(1+25/100)^x
155.25/80=1.25^x
1.94=1.25^x
Take log on both sides
log 1.94=log 1.25^x
log1.94=xlog1.25
log1.94/log1.25=x
2.97years~x ans
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Answer:
In an experiment the rate of growth in the height of a particular plant was found to be 25 % each year. if its height is 80 cm this year , find when it will reach the height of 156.25 cm .
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