Bob started out the week with $80. On Monday alone, he spent half the money. On Tuesday, he spent one-fifth of the amount left from Monday. On Wednesday, he spent 3/8ths of the amount left from Tuesday. How much does he have left now?
Боб ҳафтарро бо $80 оғоз кард. Танҳо дар душанбе, ӯ нисфи пулро харҷ кард. Дар сешанбе, ӯ як панҷум аз миқдори боқимонда аз душанбе харҷ кард. Дар чоршанбе, ӯ 3/8 аз миқдори боқимонда аз сешанбе харҷ кард. Ҳоло ӯ чанд пул дорад?
How much did Bob spend on Monday? ** On Monday, he spent half of $80 leaving him with $80-(1/2)*$80 = $<<80-(1/2)*80=40>>40
How much did Bob spend on Tuesday? ** On Tuesday, he spent 1/5th of $40 leaving $40-(1/5)*40 = $<<40-(1/5)*40=32>>32
How much did Bob spend on Wednesday? ** On Wednesday, he spent 3/8ths of $32 leaving $32-(3/8)*$32 = $20
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Чанд пул Боб дар душанбе сарф кард? ** Дар душанбе, ӯ нисфи $80 сарф кард, ки боқимондааш $80-(1/2)*$80 = $<<80-(1/2)*80=40>>40 мебошад.  
Чанд пул Боб дар сешанбе сарф кард? ** Дар сешанбе, ӯ 1/5-и $40 сарф кард, ки боқимондааш $40-(1/5)*40 = $<<40-(1/5)*40=32>>32 мебошад.  
Чанд пул Боб дар чоршанбе сарф кард? ** Дар чоршанбе, ӯ 3/8-и $32 сарф кард, ки боқимондааш $32-(3/8)*$32 = $20 мебошад.  
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