Shelley sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20.
2 answers:
Answer:
The ratios are equivalent and the ratios are proportional.
Step-by-step explanation:
Shelley sold one customer 5 peanut butter biscuits for $3 and she sold another customer 7 beef treats for $4.20.
Therefore, the cost of 1 peanut butter biscuit is Dollars.
Again the cost of 1 beef treat is Dollars.
So, the cost of 1 peanut butter biscuit is equal to the cost of 1 beef treat.
Therefore, the ratios are equivalent and the ratios are proportional. (Answer)
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Answer:
Only Choices A and C are correct.
Step-by-step explanation:
The graph has negative slope and its y-intercept is a positive value, and the equations we are looking for should have these two properties.
Let us look at the choices one by one.
Choice A:
We solve for y and get:
This has negative slope and positive y-intercept, therefore this choice is true.
Choice B:
This is a horizontal line, therefore this choice cannot be correct.
Choice C:
This has negative slope and positive y-intercept, therefore this choice is true.
Choice D:
Solve for y and get:
This has positive slope and negative y-intercept, which are not the characteristics of our graph. Therefore this choice is not correct.
Thus only choices A and C apply.