Answering this issue just requires some straightforward algebra. If we believe the cost of celery = x, then the price of onions = 2x, and value with the carrots is 4x, these that the entire cost of all greens = x + 2x + 4x = 7x = 21 https://emilianoyecbq.liberty-blog.com/40388212/what-does-write-my-case-study-mean