Suppose the price of crude oil drops from 150$ a barrel to 120$ a barrel. The quantity bought remains unchanged at 100 barrels. The coefficient of price elasticity of demand in this example would be

I believe the coefficient of price elasticity of demand in this example would be

the personification of the word prudence d) it effectively enhances the logos and ethos of the argument.

logos means appeal to the logic or reasoning of the people.

ethos means appeal to the credibility of the argument, that it is worth listening to and acting upon.

i believe it may be the hope this sorry if i'm wrong.