Unit 8 Review

Which description represents an equation?

There were 25 people on the bus after 3 people got off the bus. Which equation can be used to find x, the total number of people on the bus before 3 people got off?

There are 20 floors in a building. Each floor has the same number of offices. Altogether there are 440 offices in the building. Which equation can be used to find $$f$$ , the number of offices on each floor of this building?

A soccer team was losing by 15 points. Then 3 players each scored an equal number of points, and the team won the game. The opposing team did not score any additional points. The inequality 3p > 15 can be used to determine the number of points each of the 3 players scored to win the game. What is the solution to the inequality?

Alma reads 3 books each week. The inequality 3w $$\le$$ 36 can be used to determine the number of weeks it would take her to read at least 36 books. What is the solution to the inequality?

Which situation is best represented by the inequality $$\frac{x}{10} \geq 5$$ ?

A circle has 10 equal sections. The circle has 360°. Each section is k°. What is the value of k, the number of degrees in each section of the circle?

An equation is shown.

$$5x-3x=20$$

What is the solution to the equation?

Which equation is true when $$y=7$$ ?

Which inequality is true if p = 4.2?