if 28 % of a number exceeds 18 % of it by 7.2, then find the number?
Options.
A) 50  B) 34  C) 55  D) 60  E) 90
<gadget id="calculator">28 - 18</gadget>
<output>10</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">7.2 / (1/10)</gadget>
<output>72</output>

<gadget id="calculator">72 + 18</gadget>
<output>90</output>

<result>E</result>
if 28 % of a number exceeds 18 % of it by 7.2, then find the number?
add(divide(7.2, divide(subtract(28, 18), const_100)), 18)
use the elimination method to find the correct option . of all the options only 90 fits 28 % of 90 = 25.2 18 % of 90 = 16.2 25.2 - 16.2 = 7.2 required number is 90 . answer : e