Question 852510
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Hi,
after 10 days
Rita $20*10 = $200
Lauren {{{S[10]=(n/2)(2*a[1]+ (n-1)d)= (10/2)(2*2+ (9)1)}}} = $85
Richard $25*10 = $250
Lisa {{{S(10) =  a[1]((1-(r)^10)/(1-r))= 1((1-(2)^10)/(-1))}}} = $1023