If x/y = 0.3, then (2x - y)/(2x + y) = ?

When .36 is written in simplest fractional form, the sum of the numerator and the denominator is :

If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/27. Find the fraction.

(1.1 + 1.1 + 1.1 + 1.1) x 1.1 x 1.1 = ? = ? x 0.121

A has twice as much money as B. They play together and at the end of the first game B wins one-third of A's money from A, what fraction of the sum that B now has, must A win black in the second game,

450.271 + 369.422 ÷ 0.03 - 108.612 x 2.001 = ?

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