1. Five friends split the cost of a large pizza equally. Each person pays 7 dollars. If $c$ represents the total cost of the pizza, write an equation for this situation. $\_\_\_$
2. A group buys 6 movie tickets for a total of 90 dollars. Let $p$ be the price of one ticket. Write an equation to find the price of one ticket. $\_\_\_$
3. A box of cookies was shared equally among a student and 5 friends. Each person received 4 cookies. Let $c$ be the total number of cookies. Write the equation. $\_\_\_$
4. When a number $n$ is tripled, the result is 21. Which equation correctly models this statement?
5. David started with 35 dollars and earned some more money from his job. He now has 80 dollars. If $m$ represents the money he earned, write an equation to represent this. $35 + \_\_\_ = 80$
6. Is the equation $9 \times 7 = 63$ a true or false statement?
7. What value of $p$ makes the equation $p + 11 = 25$ a true statement? The value is ___.
8. For which value of $y$ is the equation $6y = 48$ a true statement?
9. The equation $30 - n = 18$ is true only for one value of $n$. That value is ___.
10. What value of $z$ makes the equation $\frac{1}{4}z = 5$ a true statement? The value is ___.