Inequalities from Context

There are no more than 18 students on the hall.

There are fewer than 150 children at the playground.

At least 25 cats are on my porch.

Grace has $45 at most in her purse.

My sister plans to sell more than 250 boxes of cookies.

Today's temperature will be at least -4 degrees.

The vet told Casey that her dog should weigh at most 70 lbs. Her dog weighs 106 pounds, so Casey set a goal that he would lose 4 pounds per week. Which inequality represents the number of weeks it take for Casey's dog to reach 70 lbs? ​ (a)   ​ (b)   x​ (c)   ​ (d)  

• 106
• +4
• -4
• 70

The members of Carver Middle School's Junior Beta Club need to raise at least $2000 to attend their national convention. They raised $300 with their last fundraiser and decide to host a school talent show to raise the rest. They plan to charge $10 for each ticket. Which inequality shows the number of tickets they must sale to reach their goal?

Daniel can spend no more than $40 at the fair. If admission into the fair is $10 and the rides cost $1.50 each, which inequality represents the greatest number of rides Daniel can go on?