an+1 = an*0.8 + bn*0.3an + bn = 500an+1 = an*0.8 + (500-an)*0.3 = 0.5*an + 150an+1 - 300= 0.5(an-300) (an+1 - 300) = 0.5^n *(a1-300)a10=300
