SOLUTION: The sketch above shows a rectangular picture with a frame around it. The frame is the same width all the way around. The picture is 25cm wide and 30cm high. The total height of the

Algebra ->  Surface-area -> SOLUTION: The sketch above shows a rectangular picture with a frame around it. The frame is the same width all the way around. The picture is 25cm wide and 30cm high. The total height of the      Log On


   

Question 1110311: The sketch above shows a rectangular picture with a frame around it. The frame is the same width all the way around. The picture is 25cm wide and 30cm high. The total height of the picture and the frame is 40cm.
Calculate the area of the frame (without the picture).
1) 650𝑐𝑚2
2) 750𝑐𝑚2
3) 1000𝑐𝑚2
4) 1400𝑐𝑚2
Question 14
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Draw the figure. Find the uniform width of the frame: %281%2F2%29%2840-30%29=5.

You are asked to find area of ONLY the frame, excluding the picture.

total area, 40%2A%2825%2B10%29=40%2A35=1400

just the picture area, 30%2A25=750

JUST the frame?
1400-750=highlight%28650%29 square centimeters