From what i see, i guess the answer may be B. it looks like it, but i dont really know.
Answer:
you are adding a dollar and 50 cents each time
Step-by-step explanation:
then find your y and x and plot it
Given that,
Shelley's pet food store sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20.
For peanut, the cost is ratio is

For beef, the ratio is

If we take cross product of these items,

It implies, that the sale is in true proportion. From the cross product, we find that it is equal.
Answer:
130°
Step-by-step explanation:
180-50=130°