Inequalities and Equations

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/5.50 ≥ 5225
• 5.50x ≥ 5225
• x + 5.50 ≤ 5225 
• x - 5.50 ≤ 5225

Amanda wanted to take all her friends to the basketball game. Tickets cost $13.50 each. If Amanda has at most $60 to spend on tickets, how many whole tickets can she buy? 

• 5 tickets
• 4 tickets
• 4.4 tickets
• 5 tickets

Blake can paint Mrs. Sturkie's classroom in 1¼ hours. If he works for 6 hours during detention, how many ENTIRE classrooms can he paint?

• 4 ⅘ 
• 4
• 5/24
• 5 

Sheri has a collection of coins that contains a maximum of 20 coins. Her collection contains nickels and dimes. The collection has 8 dimes. Which inequality can be used to find the possible number of nickels, n, in her coin collection?

• n + 8 ≤ 20
• n + 8 ≥ 20
• n - 8 ≤ 20
• n - 8 ≥ 20 

To qualify for an award, a student has to volunteer at least 25 hours. Bryce wants to spread these hours out over the next 5 weeks. Write an inequality that represents how many hours the Bryce has to volunteer each week.

• w ≤ 20
• w ≥ 20
• w ≥ 5
• w ≤ 5

Mary earns $14 per hour. Which equation represents how many hours she worked to earn $112? 

• 14h = 112
• 14 / h = 112
• h + 14 = 112
• h - 14 = 112

How many packages of dry erase markers can you buy with $40 if each package costs $8?

• -8 + n = 40
• 8n = 40
• 8 - n = 40
• 8/n = 40