Answer:
Save $1.50
Step-by-step explanation:
1. Find the sale unit price by dividing the total price by the amount (1.00/5 = 0.20)
2. multiply .30 by 15 = 4.50 (original price)
3. multiply .20 by 15= 3.00 (sale price)
4. subtract the sale price from the original price (4.50-3.00=1.50)
