Question

4) Mosquitoes are growing at a rate of 10%
a year. If there were 200 mosquitoes in
the begining. Write down the number of
mosquitoes after (i) 3 years (ii) 10 years
(iii) n years.​

Answer 1

mosquitoes increasing every year = 10% of 20

= 10/100×200=20

mosquito after 30 year = 200+3(20)=200+60=260

mosquito after 10 year =200+10(20)=200+200=400

mosquito after n years = 200+n(20) =200+20n

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