ulian is making potato salad for a family picnic. At the market, he spends $5.58 on red potatoes and $4.68 on yellow potatoes. If each type of potato costs $0.90 per pound, how many total pounds of potatoes does he buy?

To find out how many total pounds of potatoes Ulian buys, we can use the information provided:

1. **Cost of Red Potatoes:**
   - Total cost = $5.58
   - Cost per pound = $0.90

   Let $ x $ be the number of pounds of red potatoes.
   \[
   x = \frac{5.58}{0.90}
   \]

2. **Cost of Yellow Potatoes:**
   - Total cost = $4.68
   - Cost per pound = $0.90

   Let $ y $ be the number of pounds of yellow potatoes.
   \[
   y = \frac{4.68}{0.90}
   \]

3. **Total Pounds of Potatoes:**
   \[
   \text{Total pounds} = x + y
   \]

Now let's calculate:

\[
x = \frac{5.58}{0.90} = 6.2 \text{ pounds}
\]

\[
y = \frac{4.68}{0.90} = 5.2 \text{ pounds}
\]

\[
\text{Total pounds} = 6.2 + 5.2 = 11.4 \text{ pounds}
\]

So, Ulian buys **11.4 pounds** of potatoes in total.

Would you like more details or have any questions?

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Here are some related questions for practice:
1. What would be the total cost if each type of potato cost $1.00 per pound?
2. If Ulian wanted to buy 15 pounds of potatoes in total, how much more of each type should he buy?
3. How much would 7 pounds of each type of potato cost?
4. If the price per pound for yellow potatoes increased to $1.20, what would be the new total cost?
5. What is the ratio of the weight of red potatoes to yellow potatoes that Ulian bought?

**Tip:** When dealing with problems involving cost and quantity, setting up a simple equation based on unit price can help you quickly determine the total quantity.

Learn how to calculate the total pounds of potatoes Ulian buys for his family picnic. Given the costs of red and yellow potatoes and their price per pound, solve for the total weight. Suitable for students in Grades 4-6.

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