Equations and Inequalities

David is 40 inches tall. He wants to ride a roller coaster that requires the rider to be at least 48 inches tall. What inequality can be used to determine how many inches David has to grow to ride the roller coaster?

Solve the following inequality 5d > 30

Dave is buying refreshments at the pool. After buying a smoothie for he and a friend for $6.45, Dave is left with $7.65. How much money did he begin with? Use the equation x − $6.45 = $7.65.

Solve 4x > 24, What are possible solutions for this inequality?

Fin the solution set for the following model

Leilani needs to collect at least 12 rocks for a science project. She already has collected 5 rocks. The inequality shown can be used to find n, the number of rocks Leilani still needs.

Which numbers make the inequality x < 19 true? Choose all numbers that apply.

Which graph represents the solution for the inequality of     x < 23