5c+4b=profit (extra words because i need 20 characters to submit answer)
Answer:
I believe its 95
Step-by-step explanation:
K = 5 because according to cross multipication, which is what you need to do to get an answer for these kinds of questions, you have to times 6 by 15 then divide that answer by 18 and you have your answer: 5 (6 x 15 = 90 90 / 18 = 5)