Andrew paid $10 for a burger. The burgers went on sale and there was a discount of 20%. What was the original price of the burgers?

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Solutions for 2x+7 less than or equal to 3x-5

If the discriminant if a quadratic equation is 4 which statement describes the roots?