Question

Film out

可以中文解說一下嗎？幫幫忙拜託

肝

人     /                            由         ~                                  |                             1

27/ You have two options for hoWw to spend the afternoon. You can etther go See a movie Wi
your roommate or work as atutor for the Math Departmemt. From experience, you knoW that
going to see amovie gives you $20 worth 9 enjoyment, anq With your stuwewt qiscount, ammove

ficket only costs $12. If you spend the afternoon working as atmath tutor, you Wi gt ba SA5

dn tbe willing to spend the afternoon WorkIing as a math tutor for less
)nomic surplus from working as a math tutor instead of going to tfhe

Answer 1

莓

45-35=10
10-(20-12)=10-8=2