<human>:  Beth has 72 marbles of three colors. Each color has the same amount of marbles. If Beth loses 5 red, twice as many blue, and three times as many yellow ones than red ones, how many marbles does she have left?
<bot>: How many marbles does Beth have of each color? ** Beth has 72/3 = <<72/3=24>>24 marbles of each color
How many red marbles does Beth have left? ** Beth has 24-5 = <<24-5=19>>19 red ones left.
How many blue marbles did Beth lose? ** Beth lost 5*2 = <<5*2=10>>10 blue ones.
How many blue marbles does Beth have left? ** Beth has 24-10 = <<24-10=14>>14 blue ones left.
How many yellow marbles did Beth lose? ** Beth lost 5*3 = <<5*3=15>>15 yellow ones.
How many yellow marbles does Beth have left? ** Beth has 24-15 = <<24-15=9>>9 yellow ones left.
How many marbles does she have left? ** She has a total of 19+14+9 = <<19+14+9=42>>42 marbles left.
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