Just for fun! Word systems of equatons problems

Harry sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56. Ruth sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60. Which two equations would be used to solve the problem?

David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $1.50 each and sodas cost $0.50 each. At the end of the game, David made a total of $78.50 and sold a total of 87 nachos and sodas combined. Which two equations represent this situation?

On the first night, the Movie House Theater sold 7 adult tickets and 11 child tickets for $227. On the second night they took in $150 by selling 6 adult tickets and 6 child tickets. Which two equations will be used?

A test has twenty questions worth 100 points.  The test consists of True/False questions worth 3 points each and multiple choice questions worth 11 points each.  Which two equations will solve the problem?

Last season two running backs on the Steelers football team rushed a combined total of 1550 yards.  One rushed 4 times as many yards as the other.  Let x and y represent the number of yards each individual player rushed. Which two equations could be used? 

The sum of two numbers is 6. The difference of the two numbers is 46. Which two equations will be used to solve the problem?

The sum of 2 times a number and 3 times another is 12. The sum of 5 times the first number and the other number is 17. Which equations will be used to represent the situations?

Josh is thinking of two numbers.  Their sum is -10 and their difference is -2.  Which two equations would be used to represents the situation?

Stefan's school is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. On the second day, the school sold $52 by selling 3 senior citizen tickets and 2 child tickets. Which equations represents the system that could be used? 

On Monday Joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50.  It turns out that the doughnuts were more popular than the coffee.  On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25.  Which equations could be used to determine the cost of the coffee and doughnuts?