Posted by viri on Thursday, December 15, 2011 at 8:07pm.
mrs. cooper's class has 11 more girls than boys. there are 35 students in all. how many girls are there?

math  sum and difference  MathMate, Thursday, December 15, 2011 at 9:09pm
Sum and difference problems can be readily solved without algebra by the following:
bigger number = (sum+difference)/2
smaller number = (sum  difference)/2
Example, since there are more girls than boys, so
number of girls = (35+11)/2 = 23
number of boys = (3511)/2 = 12

math  Lyman Lacro, Wednesday, January 13, 2016 at 11:32pm
mrs cooper has 35 students in her class. she has 11 more girls than boys. How many girls are in her class.
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