Round 2,542 to the nearest thousand

Three children each had the same amount of money in their savings account. one of the children withdrew three quarters of her moneyand spent it all on a $100 sports jersey. what was the total amount of money originally in the accounts?

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)