GRE Exam Numerical Ability Algebra

If (a-b)/(a+b) = 2, and b 5 1, what is the value of a ?
(A) 1
(B) 0
(C) 1
(D) 2
(E) 3 A

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GRE Other Question

The floor space in a certain market is rented for $15 per 30 square feet for one day. In the market, Alice rented a rectangular floor space that measured 8 feet by 15 feet, and Betty rented a rectangular floor space that measured 15 feet by 20 feet. If each woman rented her floor space for one day, how much more did Betty pay than Alice?
(A) $27
(B) $36
(C) $54
(D) $90
(E) $180 At Company Y, the ratio of the number of female employees to the number of male employees is 3 to 2. If there are 150 female employees at the company, how many male employees are there at the company?