5. At a certain diner, a hamburger and coleslaw cost $3.59, and a hamburger and french fries cost $4.40. If french fries cost twice as much as coleslaw, how much do french fries cost?

(A) $0.30

(B) $0.45

(C) $0.60

(D) $0.75 (E) $0.90

the answer is E, 但是算出的答案不在这5个选项中。

答案错了。

没什么好说的。