Question

mariko and her friend spent $24.50 on lunch. their lunches cost the same amount, and they used a $4 off coupon. determine the cost of each lunch. (example 2)

Explanation:

Step1: Find total pre-coupon cost

Let total pre-coupon cost be $C$.
$C = 24.50 + 4 = 28.50$

Step2: Calculate cost per lunch

Let cost per lunch be $x$.
$x = \frac{28.50}{2}$

Answer:

The cost of each lunch is $\$14.25$