In Mr. Johnson’s third and fourth period class, 30% of the students scored an A or higher on a quiz. If 15 students scored an A or higher, how many students are in Mr. Johnson’s third and fourth-period classes Answer quickly THANK YOU!!

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?