Carlo has a music recital next week. He practiced twice as long on Monday as on Tuesday. On Tuesday, he practiced 10 minutes less than on Wednesday. On Wednesday, he practiced 5 minutes more than on Thursday. On Thursday, he practiced for 50 minutes. If he needs to practice for a total of 5 hours that week, how long should Carlo practice on Friday?
Карло ҳафтаи оянда як консерт дорад. Вай дар душанбе ду баробар бештар аз сешанбе машқ кард. Дар сешанбе, вай 10 дақиқа камтар аз чоршанбе машқ кард. Дар чоршанбе, вай 5 дақиқа бештар аз панҷшанбе машқ кард. Дар панҷшанбе, вай 50 дақиқа машқ кард. Агар вай дар ин ҳафта ба миқдори умумии 5 соат машқ кардан лозим бошад, Карло бояд дар ҷумъа чанд вақт машқ кунад?
How long did Carlo practice on Wednesday? ** On Wednesday, Carlo practiced for 50 + 5 = <<50+5=55>>55 minutes.
How long did Carlo practice on Tuesday? ** On Tuesday, he practiced for 55 - 10 = <<55-10=45>>45 minutes.
How long did Carlo practice on Monday? ** On Monday, he practiced for 45 x 2 = <<45*2=90>>90 minutes.
How many minutes did Carlo practice in total? ** So, Carlo practiced for a total of 90 + 45 + 55 + 50 = <<90+45+55+50=240>>240 minutes from Monday to Thursday.
How many minutes does Carlo need to practice? ** He needs to practice for a total of 60 x 5 = <<60*5=300>>300 minutes.
How many minutes should Carlo practice on Friday? ** Therefore, he should practice for 300 - 240 = <<300-240=60>>60 minutes on Friday.
#### 60
How long did Carlo practice on Wednesday? ** On Wednesday, Carlo practiced for 50 + 5 = <<50+5=55>>55 дақиқа.  
How long did Carlo practice on Tuesday? ** On Tuesday, he practiced for 55 - 10 = <<55-10=45>>45 дақиқа.  
How long did Carlo practice on Monday? ** On Monday, he practiced for 45 x 2 = <<45*2=90>>90 дақиқа.  
How many minutes did Carlo practice in total? ** So, Carlo practiced for a total of 90 + 45 + 55 + 50 = <<90+45+55+50=240>>240 дақиқа from Monday to Thursday.  
How many minutes does Carlo need to practice? ** He needs to practice for a total of 60 x 5 = <<60*5=300>>300 дақиқа.  
How many minutes should Carlo practice on Friday? ** Therefore, he should practice for 300 - 240 = <<300-240=60>>60 дақиқа on Friday.  
#### 60