W = unknown number
7w - 8 = 3 (product of 7 and a number, w, subtract 8) is 3
7w = 11
w = 11/7
The ratio is 6:18 and you are trying to find out what are blue. You divide 240 by 6 and get 40. You then multiply 40 x 18 and get 720.
You need to subtract the bonus points form the final score: 91-4=87
The answer is A) b/(c+a)
Hope this helps
Answer:
45 because you have to subtract 100-55 which would equal 45