Answer:
D) R = x + 6.1
Step-by-step explanation:
Let x represent groceries
R represents the total cost
Total cost = cost of groceries + flat rate shipping fee
R = x + 6.1
Answer: D. 2x² + 3/2.x - 5
Step-by-step explanation:
The answer to the question
Let's say that the price of each normal cookie is n.
The equation would then be 7(n - .75)=2.80.
Use distributive property, getting 7n - 5.25=2.80.
Add 5.25 to each side of the equation, getting 7n=8.05.
Divide 7 from both sides of the equation, getting n=1.15.
