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Mr.Williams' physical education class lasts 7/8 hour.How many minutes are not spent on instructions . playing game:1/2 , instructions: 1/5 ,warm up and cool down:3/10

MrWilliams physical education class lasts 78 hourHow many minutes are not spent on instructions playing game12 instructions 15 warm up and cool down310 class=

Respuesta :

First you would find a common denominator. If 40 is the LCM then you would have to add playing games, instruction,warm-up, and cool-down. Then you will subtract the sum from the total class time and bam! You get your answer!
52.5 minute class

1/5 spent on instruction - 20%

Just find 80 percent of 52.5 and you will get 42 minutes not spent on instruction

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