The area of the rectangle ABCD is 30. The points E and F are on the diagonal AC as shown,
and 2(AE + FC) = 3 EF. What is the area of △BEF ? Choices: A) 5 B) 6 C) 9 D) 10 E) cannot be determined
We have EF =   2/5AC. Thus, the ratio of the areas of 46EF and 46AC is   2/5   correct answer 6
<result>B</result>
The area of the rectangle ABCD is 30. The points E and F are on the diagonal AC as shown,
and 2(AE + FC) = 3 EF. What is the area of △BEF ?