x / 0.75 = 2 / 1.25 ==> 1.25 x = 0.75 * 2 ==> 1.25x =1.5 ==> x = 1.5 / 1.25 ==> x = 1.2 25/x = 75 / 1.2 ==> 75x = 25 * 1.2 ==> 75x = 30 ==> x = 0.4