How do you write 2 over 5 as a percentage?

How many yards of concrete does it take to cover a surface area of 3000 ft 2? There are 10 two-digit prime numbers that can be written as the sum of two square numbers What are they? What multiplication equals 85? How many square feet does VAR the term used for land measurements in NASHIK equal? What is 539 to the nearest ten? What is 2.5mm as a fraction? What is a ratinol number? What is 302 over 400 as a percentage? Which numbers have an odd number of factors? What is 624 rounded to the nearest ten? What is 4329 rounded to nearest ten? What is 280 as a product of its prime factors? What is the prime factorization of 400? How do you change a proper fraction into a whole or mixed number? How do you write 55 tens? What is the greatest common factor of 14 15 and 20? How can you have 0 percent of something? What three numbers multiply to get 28? What is 45 hundreths as a decimal? What is the least common factor of 14 and 21?