human
It’s exam season and Tristan has several exams to prepare for. On Monday, he studies for 4 hours then studies for twice this long on Tuesday. On Wednesday, Thursday, and Friday he studies for 3 hours each day. He wants to study for a total of 25 hours over the week and divides the remaining amount of study time evenly between Saturday and Sunday. How many hours does Tristan spend studying on Saturday?
assistant
How many hours does Tristan study on Tuesday? ** On Tuesday, Tristan studies twice as long as he did on Monday and this amounts to 4 hours * 2 = <<4*2=8>>8 hours.
How many hours does Tristan study in the first 5 days of the week? ** So in the first 5 days of the week, he studies for a total of 4 hours Monday + 8 hours Tuesday + 3 hours Wednesday + 3 hours Thursday + 3 hours Friday = 21 hours.
How many hours does Tristan have left to study? ** He therefore has 25 planned hours – 21 used hours = <<25-21=4>>4 hours left to study.
How many hours does Tristan spend studying on Saturday? ** As he splits his time evenly over 2 days, he spends 4 hours / 2 = <<4/2=2>>2 hours studying on Saturday.
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