Problem Solving

Please help me with the following questions.... thanks thanks !!



1.) When positive integer x is divided by positive integer y, the remainder is 9. If x/y=96.12, what is the value of y?

A.96
B.75
C.48
D.25
E.12

The answer is: B (75)

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2.)On a certain transatlantic crossing, 20% of a ship's passengers held round-trip tickets and also took their cars aborad the ship. If 60% of the passdengers with round-trip tickets did not take their cars abroad the ship, what % of the ship's passengers held round-trip tickets?

A.33 1/3%
B.40%
C.50%
D.60%
E.66 2-3%

The answer is: C

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3)The interior of a rectangular carton is designed by a certain manufacture to have a volume of x cubic feet and a ratio of length to width to height of 3:2:2. In terms of x, which of the following equals the height of the carton, in feet?

A. 3 sq root of x
B. 3 sq root of 2x/3
C. 3 sq root of 3x/2
D. (2/3) to the 3rd sq root of x
E. (3/2) to the 3rd sq root of x

The answer is: B

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4.) Meg and Bob are among the 5 participants in a cycling race. If each participant finishes the race and no two participants finish at the same time, in how many different possible orders can the participants finish the race so that Meg finishes ahead of Bob?

A. 24
B. 30
C. 60
D.90
E. 120

The answer is : C

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