3x3 Systems Review

Kristin spent $202 on tops. Tank Tops cost $12, Graphic T- shirts cost $28 and Hoodies cost $35. She bought twice as many tank tops as hoodies. If she bought a total of 9 then how many of each kind did she buy?

• 4 tank tops, 3 graphic tees, and 2 hoodies

• 6 tank tops, 3 graphic tees, and 3 hoodies

• 2 tank tops, 6 graphic tees, and 1 hoodies

Coach Anthony has a jar full of change. There are 37 nickels, dimes, and quarters. The total of the coins is $3.75. If there are twice as many nickels than dimes, how many of each does he have?

• 20 dimes, 10 nickels, 7 quarters

• 10 dimes, 20 nickels, 7 quarters

• 9 dimes, 18 nickels, 10 quarters

Macy is saving all her coins to buy the newest Iphone. She has 242 pennies, nickels, and dimes. The total of the coins is $5.10. If she has 10 times as many pennies than dimes, how many of each does she have?

• 150 pennies, 77 nickels, and 15 dimes

• 200 pennies, 22 nickels, and 20 dimes

• 100 pennies, 22 nickels, and 200 dimes

Use elimination to solve the systems.

• (-2, -3, 3)

• (-2, 3, 3)

• (2, -3, 3)

Use elimination to solve the systems.

• (4, 0, 2)

• (-4, 0, -2)

• (4, 0, -2)

Use elimination to solve the systems.

• (1, 4, 4)

• (1,- 4, 4)

• (-1, -4, -4)

Use elimination to solve the systems.

• (4, 2, 0)

• (4, -2, 0)

• (-4, -2, 0)

Use elimination to solve the systems.

• (1,3,1)

• (-1,3,1)

• (1,-3,-1)

Use elimination to solve the systems.

• (0, 0, 0)

• Infinite

• (0, 0, -3)

Mallory spent $320 on jeans, leggings, and shorts. The jeans were $55, leggings were $15, and the shorts were on sale for $20. She bought one less pair of shorts than leggings. If there were a total of 12 items, how many of each did she buy?

• 5 jeans, 4 leggings, and 3 shorts

• 3 jeans, 5 leggings, and 4 shorts

• 7 jeans, 3 leggings, and 2 shorts