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?
assistant
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.
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