The difference between a number and one-third of that number is 228. What is 20% of that number?A72.5B68.4C58.9D61.8Answer: B. 68.4 Read Explanation: Solution:Given:The difference between a number and one-third of that number is 228.Calculation:Let number be x According to Question,x−13x=228x-\frac{1}{3}x=228x−31x=228⇒ 2x3=228\frac{2x}{3} = 22832x=228⇒ x=228×32=342x = 228\times{\frac{3}{2}} = 342x=228×23=342 20% of the number = (20100)×342=68.4(\frac{20}{100})\times{342} = 68.4(10020)×342=68.4 ∴ 20% of the number is 68.4. Read more in App