The Jones family attends a movie for $47.00 with two adults and three kids. The Smith family attends when some friends are in town for $74.75 with three adults and five kids. How much does the Ramirez family have to pay with adults and four kids

Question

anonymous · Answer

x represents kids, y represents adults.
write out the two equations and solve for x and y

anonymous · Answer

The first equation is 
3x+2y=47

anonymous · Answer

The second equation is 
5x+3y=74.75

anonymous · Answer

isolate x or y in one of the equations