SOLUTION: jan brought 6 doughnuts for 3.50. tom brought 12 cookies and 5 doughnuts for 5.23 what is the cost of 1 cookie
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Question 972344: jan brought 6 doughnuts for 3.50. tom brought 12 cookies and 5 doughnuts for 5.23 what is the cost of 1 cookie
Found 2 solutions by Boreal, lwsshak3:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
6 D=3.50; D=3.5/6
12C+5D=5.23
12C + 5(3.5/6)=5.23
12C + (17.5/6)=5.23
12C=5.23-2.92=2.31
C=2.31/12=19.25 cents/cookie
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
jan brought 6 doughnuts for 3.50. tom brought 12 cookies and 5 doughnuts for 5.23 what is the cost of 1 cookie
***
(5/6)*3.50=2.92=cost of 5 doughnuts
5.23-2.92=2.31=cost of 12 cookies
cost for 1 cookie=2.31/12=$0.19
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