An electric frying pan was on sale for 20 percent off. The sale price was $36. What was the original price?

What is the value of the digit 1 in the number 13?

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Simplify the expression. -2/5(10+15m-20n)