Ray buys a pack of hamburger meat for $5.00, a box of crackers for $3.50, 4 bags of frozen vegetables at $2.00 per bag and a pack of cheese for $3.50 at the grocery store.  Because he is a store rewards member, he gets 10% off of his purchase.  What does his total grocery bill come to?
Please reason step by step, and put your final answer within \boxed{}.
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