The discount on a new stereo was $180. this was a discount of 18%. what was the original selling price?

Asap 25 pts + brainlest to right/best answer

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Ten times the square of a non-zero number is eqaul to ninety times the number