Question 653092: At the beginning of the bake sale, Mary set aside 4 pies for herself. Karen then bought half of the remaining pies, and 5 more pies were sold during the sale. When the sale was over, there were 3 pies remaining. How many pies were there before the bake sale started?
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! At the beginning of the bake sale, Mary set aside 4 pies for herself. Karen then bought half of the remaining pies, and 5 more pies were sold during the sale. When the sale was over, there were 3 pies remaining. How many pies were there before the bake sale started?
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let x=number of pies were there before the bake sale started?
x=4+(x-4)/2+5+3
LCD:2
2x=8+x-4+10+6
x=20
number of pies were there before the bake sale started=20
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