Topic 4 Study Guide

Renaldo has a budget of $500 to buy gift boxes for a party. Large boxes cost $65 and small boxes cost $35. Which inequality represents the number of large boxes (L) and small boxes (s) that Renaldo can buy?

• 65L + 35s ≥ 500

• 65L + 35s ≤ 500

• 500L + 65s ≤ 35

• 65L − 35s ≥ 500

Brianna is working two summer jobs, making $16 per hour lifeguarding and $11 per hour tutoring. Brianna must earn no less than $130 this week. She needs to determine how many hours lifeguarding (x) and hours tutoring (y) needed to earn no less than $130 this week. Which could NOT be a way to earn enough money?

• working 4 hours lifeguarding and 10 hours tutoring

• working 5 hours lifeguarding and 5 hours tutoring

• working 2 hours lifeguarding and 7 hours tutoring

• working 7 hours lifeguarding and 3 hours tutoring

Which inequality matches the graph?

Which inequality is represented by the graph?

• (0, −4)

• (4, 0)

• (2, 2)

• (−2, 2)

Cai and his children went into a movie theater and will buy drinks and candies. Each drink costs $4 and each candy cost $5. Cai has a total of $85 to spend on drinks and candies?

Which is NOT a possible combination of the number of drinks and candies they can get for $85

• 9 drinks, 9 candies

• 15 drinks, 5 candies

• 3 drinks, 12 candies

• 10 drinks, 10 candies

• The cost of a box of pencils

• The cost of a box of markers

• The number of boxes of pencils sold during the sales tax holiday

• The number of boxes of markers sold during the sales tax holiday

• (−3, −2)

• (−2, −3)

• (0, −1)

• (0, 1)

• (1, 0)

Which system has no solutions?