two numbers are such that if 11 is added to the first number, the answer is twice the second number. Also, if 25 is subtracted from the first number ,the answer is half the second what are the numbers?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75