At a sale, hats were sold for $15 each. This price was 60% of theiir original price. What was the original price?

Which of the following expressions are equivalent ?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?