Percent Equation Worksheet - Delta College

Percent EquationThe percent equation is often used to solve per cent problems. Some useful vocabularycan be found below.Percent Equation:Total x Rate = PartWordMathematical SymbolofAny multiplication symbol: x or ( ) or •is =whatAny letter; for example nfind n =Translate into an equation:What percent of 5000 is 3.8? What is 5% of 19? 90% of what is 342?n x 5000 = 3.8 n = (.05) x 19 (0.90) x n = 342rate total part part rate total rate total partSolve the following problems using the percent equation.1. What is 38% of 500? 2. 75% of what is 43?3. What percent of 600 is 424? 4. What is 60% of 250?5. Clarice rented a new Ford Escort for one week. Her bill before the 6% tax onrental cars was $106.50. What was the amount of her tax?

6. John paid $12 tax when he bought a mountain bike for $300. What percent tax didhe pay?7. Simon inspected 280 waterbed mattresses. He found that 14 were defective. Whatpercent of the waterbed mattresses were defective?8. An Olympic equestrian rider practiced jumping over a water hazard. In 400attempts, she and her horse touched the water 15 times. What percent of her jumpattempts were not perfect?9. Delta Community College found that 60% of it graduates go on for furthereducation. Last year 570 of the graduates went on for further education. Howmany students graduated from the college last year?10. At Delta College 44% of the freshman class is employed part-time. There are1260 freshman this year. How many of them are employed part-time? Round youranswer to the nearest whole number.