If two positive numbers are in the ratio 1/9 : 1/5, then by what percent is the second number more than the first? Choose the correct choice from the following answers
A) 67%. B) 70%. C) 60%. D) 68%. E) 80%.
Given ratio = 1/9 : 1/5 = 5 : 9   Let first number be 5x and the second number be 9x.   The second number is more than first number by 4x.   Required percentage = 4x/5x * 100 = 80%.   Answer: 80%.4 /5  * 100= 
<gadget id="calculator">4 /5  * 100</gadget>
<output>80</output>
80%.   Answer: 80%.
<result>E</result>
If two positive numbers are in the ratio 1/9 : 1/5, then by what percent is the second number more than the first?