The ratio of two quantities is 4 : 3. If each of the quantities is decreased by 8, their ratio changes to 3:1 then the smallest number is?
Pick one
A) 5.2 B) 6.9 C) 9.6 D) 7.8 E) 4.7
Let the numbers be 4x and 3x   Then 4x-8 / 3x-8 = 3/1   4x-8 = 9x-24   5x = 16   x = 3.2   smallest number = 3*3.2= 
<gadget id="calculator">3*3.2</gadget>
<output>9.6</output>
9.6   Answer is 9.6
<result>C</result>
The ratio of two quantities is 4 : 3. If each of the quantities is decreased by 8, their ratio changes to 3:1 then the smallest number is?