To find 3.5 percent of a number, multiply the number by 0.035. In this instance, 0.035 x 300000 = 10500. Therefore, 3.5 percent of 300000 is equal to 10500.

To find 80 percent of a number, multiply the number by 0.8. In this instance, 0.8 x 375000 = 300000. Therefore, 80 percent of 375000 is equal to 300000.

25% Take Input - Waste = Difference then D / I = Effeciency so, 400000 - 300000 = 100000 and 100000 / 400000 = .25 or 25% now ask the teacher next time... Dont answer the question if you are going to get an attitude...

Parsing the question: What percent of 10 percent of 50 is 25 percent of 100? What percent of 10 percent of 50 is 25? What percent of 5 is 25? Answer: 500%

It will take 300000 btus at 12000 a ton and a ton of air will be 400 sq feet so. 10000 sq ft divided by 400 is 25 tons of air then multiply 25 times 12000 btus and you get 300000

= 300,000/80,000 * 100% = 3.75 * 100% = 375% If you meant "What percent of 300,000 is 80,000?" Then it will be: = 80,000/300,000* 100% = 0.2667 * 100% = 26.67% Wording matters.