If 9 is a factor of 2x, then w=which of the following may not be an integer?

A. 6x/54 + 2x/3
B. (4x-18)/9
C. (2x+27)/9
D. (81 – 4x^2)/2
E. (2x – 3)/3

At a certain health club, 30% of the members use both the pool and the sauna, but 40% of the members who use the pool, do not use the sauna. Wat percent of the members use the pool?

A. 33.33%
B. 40%
C. 50%
D. 62.5%
E. 75%

In a certain city, the ratio of people who purchase newspaper X to the number of people who purchase newspaper Y is 7:1. What percent of the population purchases newspaper Y?

(1) 27% of the population purchases neither newspaper X nor newspaper Y
(2) 70% of the people who purchase newspaper Y also purchase newspaper X.

At Consolidated Foundries, for a resolution to become a policy, a quorum of at least half the 20 directors must pass the resolution by at least two-thirds majority. At a meeting of the board of directors, did resolution X pass or fail?

(1) 10 directors voted for the resolution
(2) 7 directors voted against the resolution

Three grades of milk are 1 percent, 2 percent and 3 percent fat by volume. If x gallons of 1 percent grade, y gallons of 2 percent grade and z gallons of 3 percent grade are mixed to give x+y+z gallons of 1.5 percent grade, what is x in terms of y and z?

A. y + 3z
B. (y+z)/4
C. 2y + 3z
D. 3y + z
E. 3y + 4.5z

A customer using a certain telephone calling plan pays a fee of $25 per month, and then receives a discount of 40% on the regular call charge for all calls made to Country A. If calls to country A are regularly charged at $1.60 per minute for 3 minutes and $0.80 per minute for each minute, what is the maximum the customer could have saved over regular prices if he was charged for 1 hour of calls made to Country a in a certain month?

A. $8.75
B. $12.00
C. $13.40
D. $17.40
E. $24.40