An item costs $320 before tax, and the sales tax is $22.40. Find the sales tax rate. Write your answer as a percentage.

A box of icecream bars cost $1.50 after a 25% discount. What was the original price of the box of ice cream bars?

If Martha earns $6.50 per hour for babysitting, how much will she earn in: 1.5 hours? 2.5 hours? 3.5 hours?

Long-term studies of Belding's ground squirrels show that immigrants move nearly 2 km from where they are born and make up 1 to 8% of the males and 0.7 to 6% of the females in other populations. On an evolutionary scale, why is this significant?

Safeway is selling cereal at $10 for 4 boxes. what is the cost?

The biggest zucchini from Joe's farm is 2 pounds, which is 1 pound more than the average weight of zucchinis from his farm. What is the average weight of zucchinis from his farm?

Area & perimeter of L shapes

A manufacturing firm wants to package its product in a cylindrical container 2ft. high with surface area 6ft^2. What should the radius of the circular top and bottom be?

What is the input value for an output value of - 4 for the function g (x) = 28/x-7

The sum of five different positive integers is 320. The sum of the greatest three integers in this set is 283. The sum of the greatest and least integers is 119.

11 + ? * 7 - ? = - 21