Percent Word Problems and Expressions

A student earned a grade of 80% on a math test that had 30 problems.  How many problems on this test did the student answer correctly?

What percent of 50 is 20?

What is 20% of 80?

What is 40% of 20?

Find 5% of 80

In the Daytona 500, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race? To word it another way, What percent is 12 cars that finished the race out of 30 cars total that started the race?

A soccer team played 32 games. If they won 25% of them, how many games did each team win?

(a)  

A pair of sandals costs $10.50.  There is a  7% sales tax.  What is the total cost of the sandals?

There are 42 teachers that work in a school.  On Friday, 29 teachers were present.  What percent of the teachers showed up for work? 

A women put $480 into  savings account of one year.  The rate of interest on the account was 4.6%  How much was the interest for the year in dollars and cents?  What is the new total of the bank account after she earns the interest?