What is the decimal or fraction for zero point 8?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.