wvspidermonkey
05-04-2008, 04:40 PM
On a certain transatlantic crossing, 20 percent of a ship’s passengers held round-trip tickets and also took their cars abroad the ship. If 60 percent of the passengers with round-trip tickets did not take their cars abroad the ship, what percent of the ship’s passengers held round-trip tickets?
A. 33 1/3%
B. 40%
C. 50%
D. 60%
E. 66 2/3%
Formal Answer: D
My answer: 20% of the ship’s passengers had round trip ticket and cars and 60% of passengers with round trip tickets and no cars.
40% of the passengers with round trip tickets had cars. 20%/40%= 50% or C.
A. 33 1/3%
B. 40%
C. 50%
D. 60%
E. 66 2/3%
Formal Answer: D
My answer: 20% of the ship’s passengers had round trip ticket and cars and 60% of passengers with round trip tickets and no cars.
40% of the passengers with round trip tickets had cars. 20%/40%= 50% or C.