Inequalities Lesson 7 & 8 day 2

3. Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 at the end of the summer. He withdraws $25 per week for food, clothing, and movie tickets. How many weeks can Keith withdraw money from his account?

• 16 weeks 
• 14 weeks 
• 12 weeks 
• 10 weeks 

6. Pet Supplies makes a profit of $5.50 per bag on its line of natural dog food. If the store wants to make a profit of no less than $5225, how many bags of dog food does it need to sell? 

• x ≥ 900 
• x ≥ 950 
• x ≤ 900 
• x ≤ 900

16 - 4a > 8

• a<-2
• a>-2
• a<2
• a>2

3 (m + 7) < 28

• m < 7 / 3 
• m < 3 / 7
• m < 7 
• m < 21

The dance committee hired a DJ for the fall dance. The DJ charges $125 per hour in addition to $55 for an assistant. The committee wants to keep the total cost under $600. Which inequality represents the maximum amount of hours the DJ will play at the dance?

• 125x + 55 ≤ 600
• 125x + 55 ≥ 600
• 125x + 55 > 600
• 125x + 55 < 600

Tags

CCSS.7.EE.B.4B

Dale has $25 to spend at a carnival. If the admission to the carnival is $4 and the rides cost $1.50 each, which inequality represents the greatest number of carnival rides Dale can go on?

• x ≤ 14
• x ≤ 12
• x < 13
• x ≤ 15