<human>:  Jon’s textbooks weigh three times as much as Brandon’s textbooks. Jon has four textbooks that weigh two, eight, five and nine pounds respectively. How much do Brandon’s textbooks weigh?
<bot>: How much do Jon’s textbooks weigh? ** Jon’s textbooks weigh 2 + 8 + 5 + 9 = <<2+8+5+9=24>>24 pounds.
How much do Brandon’s textbooks weigh? ** Thus, Brandon’s textbooks weigh 24 / 3 = <<24/3=8>>8 pounds.
#### 8