On Tuesday, Rivka bought 3 shirts and 2 pairs of pants. On Thursday, she bought 2 more shirts. Write an expression representing the total amount of money that Rivka spent on clothes this week. 

Let's denote the price of one shirt as $ S $ and the price of one pair of pants as $ P $.

### Step 1: Calculate the cost of the clothes bought on Tuesday
On Tuesday, Rivka bought 3 shirts and 2 pairs of pants. The total cost for Tuesday is:
\[
3S + 2P
\]

### Step 2: Calculate the cost of the clothes bought on Thursday
On Thursday, Rivka bought 2 more shirts. The total cost for Thursday is:
\[
2S
\]

### Step 3: Calculate the total amount spent during the week
The total amount of money Rivka spent on clothes this week is the sum of the costs from Tuesday and Thursday:
\[
3S + 2P + 2S
\]

### Final Expression
Combining like terms, the expression representing the total amount of money Rivka spent is:
\[
5S + 2P
\]

Would you like further details or have any questions?

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**Related Questions:**

1. How would the expression change if Rivka returned one shirt on Friday?
2. What if each pair of pants was on a 20% discount when she bought them on Tuesday?
3. How does the expression change if Rivka also bought a jacket for $50 on Thursday?
4. What if the price of a shirt increases by $5 on Thursday?
5. How would the expression change if she bought 3 pairs of pants on Tuesday instead?
6. If Rivka had a coupon for $10 off her total purchase on Tuesday, how would that affect the expression?
7. How does the total change if each shirt has a different price?
8. What if Rivka bought a total of 3 shirts and 2 pairs of pants but on different days?

**Tip:** When writing expressions involving multiple purchases over time, always combine like terms to simplify the expression.

Learn how to calculate the total amount spent on clothes by solving a problem involving purchases of shirts and pants on different days. This problem involves basic arithmetic and is suitable for students in Grades 5-7.

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