Answer:
t = cx + py
Step-by-step explanation:
First, apply variables to each factor:
The number of carrots bought = c
The number of potatoes bought = p
The weight (in pounds) of one carrot = x
The weight of one potato = y
Now that we've assigned variables to each piece of this equation, let's put it together.
Each vegetable has a weight, and Julia bought a certain number of each one. If she bought p potatoes, we'd multiply that by the weight of a single potato (y) to get the total weight potatoes. That is represented by the equation:
total potato weight = py
Since we are looking for the total weight of all the vegetables she bought (t), we must make a larger equation demonstrating both the weight of the carrots and the potatoes.
t = cx + py
This equation is correct because cx represent the total weight of the carrots (weight of one carrot * number of carrots bought) and the same is true for py and potatoes.