Math
posted by Betty .
Sam is making 3 picture frames with dimensions seven and seveneights and five and three quarters. What length of wood does he need for all 3 picture frames?
Please answer as soon as possible; need it for tomorrow. Thanks

Math 
Steve
since p = 2(l+w) and there are 3 frames, he needs a total of
3(2)(7 7/8 + 5 3/4)
6(63/8 + 23/4)
6(63/8 + 46/8)
6(109/8)
3(109/4)
327/4
81 3/4
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