The figure, not drawn to scale, is made up of Square B and Rectangles C and D. The area of Square B is
89 of the total area of Rectangles C and D.
14 of Square B is shaded.
14 of Rectangle C is shaded.
15 of Rectangle D is shaded. What fraction of the figure is unshaded?
| |
B |
C |
D |
Comparing B and the
total of C and D |
8x1 =
8 u |
9x1 =
9 u |
| Total |
4x2 =
8 u |
4x1 =
4 u |
5x1 =
5 u |
| Shaded |
1x2 =
2 u |
1x1 =
1 u |
1x1 =
1 u |
| Unshaded |
3x2 =
6 u |
3x1 =
3 u |
4x1 =
4 u |
The area of B is repeated. Make the area of B the same. LCM of 8 and 4 is 8.
When B is 8 u, the total areas of C and D is 9 u.
Then adjust the values of C and D so that the total areas of C and D is equal to 9 u.
Unshaded areasTotal area =
6 + 3 + 4 8 + 3 + 4 =
1315 Answer(s):
1315 
