SOLUTION: Cory made sandwiches for a picnic.1/6 were cheese sandwiches, 1/3 were peanut butter sandwiches, and 9 were ham sandwiches. How many sandwiches did Cory make altogether?

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Question 407200: Cory made sandwiches for a picnic.1/6 were cheese sandwiches, 1/3 were peanut butter sandwiches, and 9 were ham sandwiches. How many sandwiches did Cory make altogether?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Let s = # of sandwiches.
==> s/6 + s/3 + 9 = s
==> s/2 + 9 = s
==> 9 = s/2
==> s = 18 sandwiches , total.