How do I solve 42:227

Which rule can you use to convert a mass in centigrams to a mass in milligrams?

A university's freshman class has 1000 students. 600 of those students are majoring in Engineering. What percentage of the freshman class are Engineering majors?

What is ... y=15x+2100

joe correctly answered 70% of the questions on a test. there were 50 questions. how many questions did joe answer correctly?

Can you convert 300 grams to ounces

Original price of a book: $15.50 discount is 10%

Bee Paul, store manager for Jay's Appliance, is having a difficult time placing a selling price on a plasma television that originally costs $600. Bee knows his boss would like to have a 55 percent markup based on cost.

A new internet phone company advetises that you can call any country in the world for 3 cent per minute. You regularly call your friend in India and talk to her for 20 minutes. How much would the phone call cost?

A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is (450-70t) dollars and the balance of the fundraising account is (275+48t) dollars. a.

A bookstore sold 1,250 books in a month. if 70% of the books the store sold were paperbacks, how many paperback books did the store sell in the month?