Tara has 12 coins in her pocket. How many of them are quarters? Data Sufficiency Problem. Clases GMAT QUANT OnLine per to per. Open your mind!

Tara has 12 coins in her pocket. How many of them are quarters? (Quarter = 25 cents, dime = 10 cents)

(1) The total value of the 12 coins is $1.80.
(2) Tara has only quarters and dimes.

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