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anonymous
 one year ago
band members at Colchester midedle school are expected to average at least 20 min of practice per day. One week Monroe praticed 15 mi, 28 min, 30 min, 0 min, 15 min, and 25 min. HOw long must he practice on the seventh day if he is to meet expectations?
anonymous
 one year ago
band members at Colchester midedle school are expected to average at least 20 min of practice per day. One week Monroe praticed 15 mi, 28 min, 30 min, 0 min, 15 min, and 25 min. HOw long must he practice on the seventh day if he is to meet expectations?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So to solve this, you will need to set up an equation where the average of the given times + x is equal to 20 minutes\[(15+28+30+0+15+25+x)/6=20\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think you should divide by 7 instead of 6 because there are 7 days total
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