Equations & Inequalities Review

$$\frac{y}{3}-9=12$$

(a)  

Solve for x:

$$-4x-7\ge21$$  

Jeff bought a bottle of water for $2. He also bought some hot dogs for $3 each. Jeff did not spend more than $14 on the hot dogs and the bottle of water. Which inequality can be used to find h, the number of hot dogs that Jeff could have bought?

Erica paid $753.95 for dance classes. She paid a $123.95 registration fee and $45 for each week she was enrolled in the classes. Write an equation that would help you find the number of weeks, w, she can take dance classes?

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(a)  

Karis has $900 in the bank. Every time she rides the bus she spends $2. Write an inequality that Karis can use to see how many time she can ride the bus and still have more than $500 in the bank.

If $$x<200$$ , which are possible solutions for x?

Shaan bought a video game console and some games for $350. The video game console cost $200. Each game cost $25. Write an equation that represents how many games Shaan purchased.