Adriano runs a website that writers write better stories. every month, adriano receives a subscription fee of $ 5 from each of the subscribers to his website. the website had 200 subscribers last month. this month 40 new members joined the website and 10 members cancelled their subscription.

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Math question.. plz me .. best answer all

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller