1. 12 An adult meal at a restaurant costs one dollar less than twice the cost “c” of a child’s meal. Write an equation that can be used to find the cost of the child’s meal if the adult meal is 13 dollars. The list below shows the items Anna bought at the mall. 1 book for $5.50 1 book for $5.50 1 hat for $7.25 1 hat for $7.25 1 lunch for $6.00 1 lunch for $6.00 Anna paid for the items with a $20 bill. Write an equation that could be used to find c, the total amount of change, in dollars, Anna should receive.

2. 3 4 Julio went to the movie store and bought 2 movies on sale for $5.00 off the original price. The original price of each was $18.95. Write an equation that can be used to find t, the total price Julio paid for the two movies. Lisa biked 23 miles this week. This is 8 miles more than she biked the week before. Write an equation that could be used to find d, the distance, in miles, Lisa biked last week.

3. 56 Max baked 48 cookies to bring to school. He ate 6 of the cookies himself and divided the rest of the cookies equally in 3 sandwich bags. Write an equation that could be used to find c, the number of cookies that were in each bag You are in a hot air balloon, and you descend 200 feet to an altitude of 1000 feet. What was your original altitude? Write an equation and solve.

4. 7 8 The temperature decreased by 24 degrees, and is now 75 degrees. What was the original temperature? Write an equation and solve. The cost of renting a mountain bike is a basic fee of $6 plus an additional $2 for each hour that the bike is rented. Write an equation to find c, the cost of renting a bike for h hours. (two variables)

5. 9 10 It cost $5 to get into an amusement park plus $2 per ride, and Carter has $80 to spend. Write an equation to find the number of rides r that he can afford. Jim’s sister is two years more than half of Jim’s age. His sister is ten years old. Write an equation to find how old is Jim.

6. 11 12 Jillian is 14. Her mother is 38. Her mother’s age is twice the sum of Jillian’s and her sister’s ages. Write an equation to find the age of Jillian’s sister. A magazine has p pages. A stack of 15 copies of the magazines has a total of 960 pages. Write an equation you can use to find the number of pages in the magazine.

7. 13 14 Stephanie bought muffins for $0.55 each plus $1.19 in sales tax. She spent $11.09 altogether. Write an equation to find how many muffins she bought. A cell-phone company charges a monthly rate of $12.95 and $0.25 a minute for each call. The total bill is $21.20. Write an equation to find, m, the number of minutes used.