Systems of Equations Real World

Amy sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56. Adam sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60. What is the price of 1 pack of sugar cookies and 1 pack of oatmeal cookies?

• Sugar Cookies $5 
  Oatmeal Cookies $3

• Sugar Cookies $4
  Oatmeal Cookies $8

• Sugar Cookies $2
  Oatmeal Cookies $6

• Sugar Cookies $3
  Oatmeal Cookies $6

The senior class at Rivermont High School rented and filled 11 vans and 3 buses with 283 students. The senior class at Washington High School rented and filled 12 vans and 14 buses with 770 students. How many students were on each van and each bus?

• Van 43
  Bus 14

• Van 11
  Bus 21

• Van 14
  Bus 43

• Van 17
  Bus 45

The difference of a and b is 3. The sum of a and b is 13. Find the values of a and b.

• a = 7

  b = 10

• a = 8

  b = 5

• a = 10

  b = 13

• a = 6.5

  b = 2

Solve by elimination

-12x-10y= 0

6x+5y= -1

• infinite solutions

• (0,0)

• no solution

• (2,1)

A large pizza at Papa's Pizzeria costs $6.80 plus $0.90 for each topping. The cost of a large pizza at Mama's Pizzeria is $7.30 plus $0.65 for each topping.
Which systems of equations could best be used to determine how many toppings you need to add to a large cheese pizza at each Pizzeria in order for the pizzas to cost the same?

Adrian bought 3 cd's and 7 dvd's for $80. Khloe bought 6cd's and 3dvd's for $63.75. What is the price they each paid for each cd and each dvd?

• $8.75 per cd and $6.25 per dvd

• $6.25 per cd and $8.75 per dvd

• $8.25 per cd and $7.89 per dvd

• $7.89 per cd and $$8.25 per dvd

What are the two equations given the following statement: The sum of two numbers is 24 and their difference is 2.