(16+10)-1+13*5
26-1+65
25+65
90
This is an arithmetic series with first term a1 = 3 and common difference = 3
Sum after 365 days = (365/2)[ 2*3 + (365-1)*3]
= 200,385 pennies = $2003.85 Answer
Answer:
(-4,-1) is the answer unless your asking for an actual equation