Felisha had coupons to go to the grocery store, where she bought 1 head of lettuce and 1 can of corn. First, a coupon for $2 off the price of lettuce was applied. Then, a coupon for 50% off her total purchase was applied. Write an expression representing Felisha's discounted price. 

Let's denote the original price of the head of lettuce as $ L $ and the price of the can of corn as $ C $.

### Step 1: Apply the $2 coupon to the lettuce
After using the $2 coupon, the price of the lettuce becomes $ L - 2 $.

### Step 2: Calculate the total purchase before the second discount
The total purchase before the 50% discount is:
\[
(L - 2) + C
\]

### Step 3: Apply the 50% discount
Felisha then applies a 50% discount to her total purchase. The expression for the discounted price is:
\[
\frac{1}{2} \times [(L - 2) + C]
\]

### Final Expression
Thus, the expression representing Felisha's discounted price is:
\[
\frac{1}{2} \times (L + C - 2)
\]

Would you like further details or have any questions?

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**Related Questions:**

1. How would the expression change if the 50% discount was applied before the $2 coupon?
2. What if the $2 coupon was for the can of corn instead of the lettuce?
3. How does the expression change if there was an additional 10% sales tax after all discounts?
4. If Felisha had a third coupon for $1 off the can of corn, how would the expression be modified?
5. How would the expression change if the $2 coupon was instead a percentage discount?
6. What is the impact on the final price if the price of lettuce doubles?
7. How would the expression change if Felisha bought two cans of corn?
8. How does the expression modify if the 50% discount applies only to the corn?

**Tip:** Always apply percentage-based discounts after all fixed discounts to minimize the final price effectively.

Explore how to calculate Felisha's discounted price after applying coupons to her grocery purchases. This algebra problem involves percentage discounts, arithmetic operations, and real-world application. Suitable for Grades 7-9.

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