Simultaneous Equations Scenario Quiz (variables not defined)

A farmer has chickens and cows. The total number of animals is 50. The total number of legs is 140. Which set of simultaneous equations represents this scenario?

A school is organizing a trip. The total cost for 5 students and 2 teachers is 350. The total cost for 10 students and 4 teachers is 700. Which set of simultaneous equations represents this scenario?

A chemist is mixing two solutions. The total volume of the first solution and the second solution is 500 ml. The total amount of a certain chemical in the first solution and the second solution is 300 mg. Which set of simultaneous equations represents this scenario?

A car rental company charges a fixed daily rate and a per-mile rate. The total cost for a 3-day rental with 100 miles driven is 150. The total cost for a 5 day rental with 200 miles driven is 250. Which set of simultaneous equations represents this scenario?

A bakery sells cakes and cookies. The total revenue from selling 8 cakes and 15 cookies is 120. The total revenue from selling 5 cakes and 10 cookies is 80. Which set of simultaneous equations represents this scenario?

A gardener is planting roses and tulips. The total number of plants is 60. The total number of flowers is 180. Which set of simultaneous equations represents this scenario?

A restaurant offers two meal options. The total cost for 3 meals of type A and 2 meals of type B is 50. The total cost for 5 meals of type A and 4 meals of type B is 90. Which set of simultaneous equations represents this scenario?

A painter uses two types of paint, A and B. The total cost for 2 liters of paint A and 3 liters of paint B is 60. The total cost of 4 liters of paint A and 1 liter of paint B is70. Which set of simultaneous equations represents this scenario?

A school is buying pencils and erasers. The total cost for 10 pencils and 5 erasers is 15. The total cost for 20 pencils and 10 erasers is 30. Which set of simultaneous equations represents this scenario?

A factory produces two types of gadgets, X and Y. The total production cost for 7 units of X and 3 units of Y is 200. The total production cost for 4 units of X and 5 units of Y is 180. Which set of simultaneous equations represents this scenario?