Joe's budget constraint equals 500 = 2F + 100S, where $500 is Joe's income, $2 is the price of food (F) and $100 is the price of shelter (S). How much food can Joe buy if he buys one unit of shelter?
A.2 units
B.200 units
C.250 units
D.400 units
- · 有3位网友选择 B,占比30%
- · 有3位网友选择 C,占比30%
- · 有3位网友选择 D,占比30%
- · 有1位网友选择 A,占比10%