x + y = 180

.25x + .50y = 66

cookies: 96

cupcakes: 84

.05n + .10d = 1.40

n + d = 20

12 nickels

8 dimes

22 t­shirts

15 bracelets

10x + 2y = 250

x + y = 37

Gold's Gym cost = 30x + 50

LA Fitness cost = 40x + 351.5 months

3p + 2d = 21 2p + 4d = 22

popcorn = $5

drink = $3

v + b = 11

10v + 50b = 350

6 busses

5 vans

hours: c + h = 10earnings: 10c + 5h = 80

c: hours at clothing store

h: hours as hostess

6 hours at clothing store

4 hours as a hostess

g + j = 24

g = 3j

put both in standard form

1.) Pete has $20 and makes $5 per week doing chores. Evelyn has $30 and makes $4 per week doing chores.

Write a system of equations to determine how many weeks they both have to work to have the SAME amount of money.

2.) NCG cinema offer a frequent movie­goer package that has an initial fee of $50 plus $10 per month.

Regal cinema charges a $65 initial fee and $5 per month.

After how many months would the 2 movie packages be the same? Write a system of equations to solve.