Challenge Problem of the Month

Answer correctly to win!

I will choose one person out of all the people who answer correctly to win a free Manhattan GRE Strategy Guide. If you're keen on calculations or on winning free things, you should try your hand this month.

See last month's answer

This Month's Problem: "Able A’s and B’s"

(3a – 6b)(4b – 2a) = 30

Quantity A

a2 – 4ab + 4b2

Quantity B

–5

Quantity A is greater.

Quantity B is greater.

The two quantities are equal.

The relationship cannot be determined from the information given.

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