Question

The cost of t-shirts varies directly with the number of t-shirts. The data is shown in the graph. If x = is number of t-shirts, and y = the cost, which equation models Bill's direct variation?

A) y = 11x
B) y = 5.5x
C) y = 11 + x
D) y = 5.5 + x
Thanks

Answer 1

y = 5.5x

Explanation:

y = 5.5x is correct. Multiply number of t-shirts by 5.5 to equal the total cost.

Answer 2

The answer is y = 5.5x, so B