Kelly makes 4 candles per hour (12/3=4). Lee makes 6 candles per hour (6/1=1). In 8 hours, Kelly makes 32 candles (4*8=32). In 8 hours, Lee makes 48 candles (6*8=48). The difference in the numbers of candles is 16 (48-32=16).
x= 47
18+2 201 i ≈0.382978723+0.603295612i
x= 47
−2 201 i+18 ≈0.382978723−0.603295612i Hopefully this makes just the same amount of sense as this question