A problem states: "There are 9 more children than parents in a room. There are 25 people in the room in all. How many children are there in the room?" Let c represent the number of children. Which expression represents the number of parents? c + 9 c−9 9−c c⋅9

ANSWERS

2015-11-09 15:10:09

c = number of parents c+9 = number of children 2c+9=25 2c=16 c=8 8 parents, 17 children

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