SOLUTION: A rectangular picture, inside a rectangular frame, measures 40 cm by 30 cm. The outside perimeter of the frame is 152 cm. What is the width of the frame?

Question 764017: A rectangular picture, inside a rectangular frame, measures 40 cm by 30 cm. The outside perimeter of the frame is 152 cm. What is the width of the frame?
Answer by josgarithmetic(39614) (Show Source): You can put this solution on YOUR website!
We may infer that width of the frame is uniform. Using w for the width of the frame, the two directional outer lengths of the frame are 30+2w and 40+2w.
This outer perimeter is and you solve for w, after first simplifying.

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