Which equation has a constant of proportion equal to 6 A) 6y = 6x
B) 6y = 18x
C) 5y = 6x
D) 5y = 30x

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers