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here are 18 students in Mr.Alvarez'S art class. Throughout the year every student must pair up with every other student to complete a project. How many projects will be finished?
149
153
171
125
 one year ago
 one year ago
here are 18 students in Mr.Alvarez'S art class. Throughout the year every student must pair up with every other student to complete a project. How many projects will be finished? 149 153 171 125
 one year ago
 one year ago

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connieyupBest ResponseYou've already chosen the best response.0
9? If every student has a partner, then you would divide the total amount of students by 2.
 one year ago

Yolo4mecuiteBest ResponseYou've already chosen the best response.0
Well one of th answers has to be 149, 153, 171, 125
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
ok, lets assume there are only 3 students, then total no. of projects = 2+1 = 3 for 4 students, total number of projects = 3+2+1.= 6 similarly for 18 students it will be 17+16+15+.....+2+1 = ??
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
its 17+16+15+14+13+12+11+10+9+8+7+6+5+4+3+2+1=? or u can do 17*(17+1)/2
 one year ago

Yolo4mecuiteBest ResponseYou've already chosen the best response.0
Oh ok I see now thanks
 one year ago
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