Question
The square is divided into 4 parts, A, B, C and D. A and B form 12 of the square. The area of D is double of the area of C, while the ratio of the area of B to the area of A is 1 : 7. What fraction of the square is the sum of the area of B and C? Leave your answer in the simplest form.
3 m

Click button first when a symbol is required. X

The square is divided into 4 parts, A, B, C and D. A and B form 12 of the square. The area of D is double of the area of C, while the ratio of the area of B to the area of A is 1 : 7. What fraction of the square is the sum of the area of B and C? Leave your answer in the simplest form.