Question

The local business will donate $5.00 for every 10 tickets sold. Let x represent tickets sold, and y represent dollars donated. Student A claims that the equation is y = 2x. Student B claims that the equation is y = 1

2
x. Explain who is correct.

Answer 1

If we let x be the number of ticket sold and y be the amount in dollars donated then, the equation would be,

x = 2y

We can check our answer by substituting the given,

10 = 2(5)

10 = 10

The equation can also be written as,

y = (1/2)x

Student B is correct.

Answer 2

Sample Response/Explanation: The point that represents what the local business will donate is (10, 5). After testing the point in both equations, you can see that student B wrote the correct equation; 5 = 12(10).

Explanation: