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
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Answer : C
ReplyDeletelet hamburger = x
coleslaw = y
french fries = z
given x + y = 3.59
x + z = 4.40
z = 2y .
solving three eqs , we get
y = 0.81
z = 1.62
So the options are wrong?
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