Lesson 18-19 Review

Megan buys a bag of chips for $2.99. She then buys 3 candy bars that all cost the same amount. The total cost is $4.55. To find the cost of each candy bar, which equation would be used?

Megan buys a bag of chips for $2.99. She then buys 3 candy bars that all cost the same amount. The total cost is $4.55. What is the cost of each candy bar? Use the equation 3c + 2.99 = 4.55 (the answer to the previous question). Make sure you can show ALL of your WORK on your quiz.

Four cousins are born on the same date in consecutive years. The sum of their age is 42. Which equation can be used in this situation?

Four cousins are born on the same date in consecutive years. The sum of their age is 42. Use the equation c + c + 1 + c + 2 + c + 3 = 42 (the equation from previous problem) to show your work, solve for all 4 of their ages, and choose the correct answer.

The length of a rectangle is represented by (4x - 5). The width of the rectangle is represented by 3x. The perimeter is 18. Which equations represent the perimeter? Select ALL that apply.

Solve this equation and show all of your work.

-3.9 = 3x - 2.4

Which of the following is the solution of

$$-8\left(n-3\right)\le-56$$  

Mark makes trail mix with bulk nuts and dried fruit. He spends $4 on the dried fruit. Mixed nuts cost $2 per pound. He has a total of $15 to spend.

Which number line best represents the possible numbers of pounds of nuts he can buy?

Juan is going to the amusement park with some of his friends. He can spend at most $80 at the park on admission and games. The admission to the park is $53. He is planning on playing some games that cost $3 each. What is the most amount of games he will be able to play. Write an inequality and explain your answer.

Jaquan is building a chicken coop. The area of the chicken coop is 50 square feet. Each chicken needs at least 4 square feet of space. 

Using the inequality

$$4c\le50$$  , which of the following statements would be true?