The side length of a square is increased by $50\%$. by what percent is the area increased?

How do i do this using elimination 2x+3y=12 x-y=6

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.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have