<human>:  Marjorie works as a baker. Every day, she makes twice as many cakes as she did the day before. On the sixth day, she makes 320 cakes. How many cakes did Marjorie make on the first day?
<bot>: How many cakes did Marjorie make on the fifth day? ** As the number of cakes doubles each day, Marjorie must have made 320 cakes / 2 = <<320/2=160>>160 cakes on the fifth day.
How many cakes did Marjie make on the fourth day? ** So on the fourth day, she must have made 160 cakes / 2 = <<160/2=80>>80 cakes.
How many cakes did Marjorie make on the third day? ** This means that on the third day, she made 80 cakes / 2 = <<80/2=40>>40 cakes.
How many cakes did Marjorie make on the second day? ** On the second day, she made 40 cakes / 2 = <<40/2=20>>20 cakes.
How many cakes did Marjorie make on the first day? ** So on the first day, she made 20 cakes / 2 = <<20/2=10>>10 cakes.
#### 10